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Published articles, off prints, and circuit diagrams relating to telephony
Manuscripts
Published articles, off prints, and circuit diagrams relating to telephony
Telephone competition, pamphlet, front cover, recto
Telephone competition, pamphlet, front cover, verso
Telephone competition, pamphlet, [p. 3]
Telephone competition, pamphlet, [p. 4]
Telephone competition, pamphlet, p. 5
Telephone competition, pamphlet, p. 6
Telephone competition, pamphlet, p. 7
Telephone competition, pamphlet, p. 8
Telephone competition, pamphlet, p. 9
Telephone competition, pamphlet, p. 10
Telephone competition, pamphlet, p. 11
Telephone competition, pamphlet, p. 12
Telephone competition, pamphlet, closed foldout, recto
Telephone competition, pamphlet, open foldout
Telephone competition, pamphlet, closed foldout, verso
Telephone competition, pamphlet, p. 13
Telephone competition, pamphlet, p. 14
Telephone competition, pamphlet, p. 15
Telephone competition, pamphlet, p. 16
Telephone competition, pamphlet, p. 17
Telephone competition, pamphlet, p. 18
Telephone competition, pamphlet, p. 19
Telephone competition, pamphlet, p. 20
Telephone competition, pamphlet, p. 21
Telephone competition, pamphlet, p. 22
Telephone competition, pamphlet, p. 23
Telephone competition, pamphlet, p. 24
Telephone competition, pamphlet, p. 25
Telephone competition, pamphlet, p. 26
Telephone competition, pamphlet, p. 27
Telephone competition, pamphlet, p. 28
Telephone competition, pamphlet, p. 29
Telephone competition, pamphlet, p. 30
Telephone competition, pamphlet, p. 31
Telephone competition, pamphlet, [p. 32]
Did Reis invent a speaking telephone?, pamphlet, front cover, recto
Did Reis invent a speaking telephone?, pamphlet, front cover, verso
Did Reis invent a speaking telephone?, pamphlet, blank page
Did Reis invent a speaking telephone?, pamphlet, portrait of Philip Reis
Did Reis invent a speaking telephone?, pamphlet, p. 1
Did Reis invent a speaking telephone?, pamphlet, p. 2
Did Reis invent a speaking telephone?, pamphlet, p. 3
Did Reis invent a speaking telephone?, pamphlet, p. 4
Did Reis invent a speaking telephone?, pamphlet, p. 5
Did Reis invent a speaking telephone?, pamphlet, p. 6
Did Reis invent a speaking telephone?, pamphlet, p. 7
Did Reis invent a speaking telephone?, pamphlet, p. 8
Did Reis invent a speaking telephone?, pamphlet, p. 9
Did Reis invent a speaking telephone?, pamphlet, p. 10
Did Reis invent a speaking telephone?, pamphlet, p. 11
Did Reis invent a speaking telephone?, pamphlet, p. 12
Did Reis invent a speaking telephone?, pamphlet, p. 13
Did Reis invent a speaking telephone?, pamphlet, p. 14
Did Reis invent a speaking telephone?, pamphlet, p. 15
Did Reis invent a speaking telephone?, pamphlet, p. 16
Did Reis invent a speaking telephone?, pamphlet, p. 17
Did Reis invent a speaking telephone?, pamphlet, p. 18
Did Reis invent a speaking telephone?, pamphlet, [p. 19]
Did Reis invent a speaking telephone?, pamphlet, blank page
Did Reis invent a speaking telephone?, pamphlet, back cover, recto
Did Reis invent a speaking telephone?, pamphlet, back cover, verso
Ernst Ruhmer, Über versuche mit multiplex-telephonie, pamphlet, front cover, recto
Ernst Ruhmer, Über versuche mit multiplex-telephonie, pamphlet, front cover, verso
Ernst Ruhmer, Über versuche mit multiplex-telephonie, pamphlet, [p. 1]
Ernst Ruhmer, Über versuche mit multiplex-telephonie, pamphlet, [p. 2]
Ernst Ruhmer, Über versuche mit multiplex-telephonie, pamphlet, [p. 3]
Ernst Ruhmer, Über versuche mit multiplex-telephonie, pamphlet, [p. 4]
Ernst Ruhmer, Über versuche mit multiplex-telephonie, pamphlet, [p. 5]
Ernst Ruhmer, Über versuche mit multiplex-telephonie, pamphlet, [p. 6]
Ernst Ruhmer, Über versuche mit multiplex-telephonie, pamphlet, [p. 7]
Ernst Ruhmer, Über versuche mit multiplex-telephonie, pamphlet, [p. 8]
Ernst Ruhmer, Über versuche mit multiplex-telephonie, pamphlet, back cover, recto
Ernst Ruhmer, Über versuche mit multiplex-telephonie, pamphlet, back cover, verso
Explorations over the vibrating surfaces of telephonic diaphragms under simple impressed tones, pamphlet, front cover, recto
Explorations over the vibrating surfaces of telephonic diaphragms under simple impressed tones, pamphlet, front cover, verso
Explorations over the vibrating surfaces of telephonic diaphragms under simple impressed tones, pamphlet, title page, recto
Explorations over the vibrating surfaces of telephonic diaphragms under simple impressed tones, pamphlet, title page, verso
Explorations over the vibrating surfaces of telephonic diaphragms under simple impressed tones, pamphlet, [p. 96]
Explorations over the vibrating surfaces of telephonic diaphragms under simple impressed tones, pamphlet, p. 97
Explorations over the vibrating surfaces of telephonic diaphragms under simple impressed tones, pamphlet, p. 98
Explorations over the vibrating surfaces of telephonic diaphragms under simple impressed tones, pamphlet, p. 99
Explorations over the vibrating surfaces of telephonic diaphragms under simple impressed tones, pamphlet, p. 100
Explorations over the vibrating surfaces of telephonic diaphragms under simple impressed tones, pamphlet, p. 101
Explorations over the vibrating surfaces of telephonic diaphragms under simple impressed tones, pamphlet, p. 102
Explorations over the vibrating surfaces of telephonic diaphragms under simple impressed tones, pamphlet, p. 103
Explorations over the vibrating surfaces of telephonic diaphragms under simple impressed tones, pamphlet, p. 104
Explorations over the vibrating surfaces of telephonic diaphragms under simple impressed tones, pamphlet, p. 105
Explorations over the vibrating surfaces of telephonic diaphragms under simple impressed tones, pamphlet, p. 106
Explorations over the vibrating surfaces of telephonic diaphragms under simple impressed tones, pamphlet, p. 107
Explorations over the vibrating surfaces of telephonic diaphragms under simple impressed tones, pamphlet, p. 108
Explorations over the vibrating surfaces of telephonic diaphragms under simple impressed tones, pamphlet, p. 109
Explorations over the vibrating surfaces of telephonic diaphragms under simple impressed tones, pamphlet, p. 110
Explorations over the vibrating surfaces of telephonic diaphragms under simple impressed tones, pamphlet, p. 111
Explorations over the vibrating surfaces of telephonic diaphragms under simple impressed tones, pamphlet, p. 112
Explorations over the vibrating surfaces of telephonic diaphragms under simple impressed tones, pamphlet, p. 113
Explorations over the vibrating surfaces of telephonic diaphragms under simple impressed tones, pamphlet, p. 114
Explorations over the vibrating surfaces of telephonic diaphragms under simple impressed tones, pamphlet, p. 115
Explorations over the vibrating surfaces of telephonic diaphragms under simple impressed tones, pamphlet, p. 116
Explorations over the vibrating surfaces of telephonic diaphragms under simple impressed tones, pamphlet, p. 117
Explorations over the vibrating surfaces of telephonic diaphragms under simple impressed tones, pamphlet, p. 118
Explorations over the vibrating surfaces of telephonic diaphragms under simple impressed tones, pamphlet, p. 119
Explorations over the vibrating surfaces of telephonic diaphragms under simple impressed tones, pamphlet, p. 120
Explorations over the vibrating surfaces of telephonic diaphragms under simple impressed tones, pamphlet, p. 121
Explorations over the vibrating surfaces of telephonic diaphragms under simple impressed tones, pamphlet, p. 122
Explorations over the vibrating surfaces of telephonic diaphragms under simple impressed tones, pamphlet, p. 123
Explorations over the vibrating surfaces of telephonic diaphragms under simple impressed tones, pamphlet, p. 124
Explorations over the vibrating surfaces of telephonic diaphragms under simple impressed tones, pamphlet, p. 125
Explorations over the vibrating surfaces of telephonic diaphragms under simple impressed tones, pamphlet, p. 126
Explorations over the vibrating surfaces of telephonic diaphragms under simple impressed tones, pamphlet, p. 127
Explorations over the vibrating surfaces of telephonic diaphragms under simple impressed tones, pamphlet, p. 128
Explorations over the vibrating surfaces of telephonic diaphragms under simple impressed tones, pamphlet, p. 129
Explorations over the vibrating surfaces of telephonic diaphragms under simple impressed tones, pamphlet, p. 130
Explorations over the vibrating surfaces of telephonic diaphragms under simple impressed tones, pamphlet, p. 131
Explorations over the vibrating surfaces of telephonic diaphragms under simple impressed tones, pamphlet, p. 132
Explorations over the vibrating surfaces of telephonic diaphragms under simple impressed tones, pamphlet, p. 133
Explorations over the vibrating surfaces of telephonic diaphragms under simple impressed tones, pamphlet, p. 134
Explorations over the vibrating surfaces of telephonic diaphragms under simple impressed tones, pamphlet, p. 135
Explorations over the vibrating surfaces of telephonic diaphragms under simple impressed tones, pamphlet, p. 136
Explorations over the vibrating surfaces of telephonic diaphragms under simple impressed tones, pamphlet, [p. 137]
Explorations over the vibrating surfaces of telephonic diaphragms under simple impressed tones, pamphlet, endleaf, recto
Explorations over the vibrating surfaces of telephonic diaphragms under simple impressed tones, pamphlet, endleaf, verso
Explorations over the vibrating surfaces of telephonic diaphragms under simple impressed tones, pamphlet, endleaf, recto
Explorations over the vibrating surfaces of telephonic diaphragms under simple impressed tones, pamphlet, endleaf, verso
Explorations over the vibrating surfaces of telephonic diaphragms under simple impressed tones, pamphlet, back cover, recto
Explorations over the vibrating surfaces of telephonic diaphragms under simple impressed tones, pamphlet, back cover, verso
The effect of the induction-coil in telephonic apparatus (II.), pamphlet, front cover, recto
The effect of the induction-coil in telephonic apparatus (II.), pamphlet, front cover, verso
The effect of the induction-coil in telephonic apparatus (II.), pamphlet, p. 1
The effect of the induction-coil in telephonic apparatus (II.), pamphlet, p. 2
The effect of the induction-coil in telephonic apparatus (II.), pamphlet, p. 3
The effect of the induction-coil in telephonic apparatus (II.), pamphlet, p. 4
The effect of the induction-coil in telephonic apparatus (II.), pamphlet, p. 5
The effect of the induction-coil in telephonic apparatus (II.), pamphlet, p. 6
The effect of the induction-coil in telephonic apparatus (II.), pamphlet, circuit diagrams, recto
The effect of the induction-coil in telephonic apparatus (II.), pamphlet, circuit diagrams, verso
The effect of the induction-coil in telephonic apparatus (II.), pamphlet, p. 7
The effect of the induction-coil in telephonic apparatus (II.), pamphlet, p. 8
The effect of the induction-coil in telephonic apparatus (II.), pamphlet, p. 9
The effect of the induction-coil in telephonic apparatus (II.), pamphlet, p. 10
The effect of the induction-coil in telephonic apparatus (II.), pamphlet, p. 11
The effect of the induction-coil in telephonic apparatus (II.), pamphlet, p. 12
The effect of the induction-coil in telephonic apparatus (II.), pamphlet, back cover, recto
The effect of the induction-coil in telephonic apparatus (II.), pamphlet, back cover, verso
The effect of the induction-coil in telephonic apparatus (I.), pamphlet, front cover, recto
The effect of the induction-coil in telephonic apparatus (I.), pamphlet, front cover, verso
The effect of the induction-coil in telephonic apparatus (I.), pamphlet, p. 1
The effect of the induction-coil in telephonic apparatus (I.), pamphlet, p. 2
The effect of the induction-coil in telephonic apparatus (I.), pamphlet, p. 3
The effect of the induction-coil in telephonic apparatus (I.), pamphlet, p. 4
The effect of the induction-coil in telephonic apparatus (I.), pamphlet, blank page
The effect of the induction-coil in telephonic apparatus (I.), pamphlet, plate I
The effect of the induction-coil in telephonic apparatus (I.), pamphlet, closed foldout, verso
The effect of the induction-coil in telephonic apparatus (I.), pamphlet, open foldout, verso
The effect of the induction-coil in telephonic apparatus (I.), pamphlet, closed foldout, recto
The effect of the induction-coil in telephonic apparatus (I.), pamphlet, open foldout, recto
The effect of the induction-coil in telephonic apparatus (I.), pamphlet, p. 5
The effect of the induction-coil in telephonic apparatus (I.), pamphlet, p. 6
The effect of the induction-coil in telephonic apparatus (I.), pamphlet, p. 7
The effect of the induction-coil in telephonic apparatus (I.), pamphlet, p. 8
The effect of the induction-coil in telephonic apparatus (I.), pamphlet, p. 9
The effect of the induction-coil in telephonic apparatus (I.), pamphlet, p. 10
The effect of the induction-coil in telephonic apparatus (I.), pamphlet, p. 11
The effect of the induction-coil in telephonic apparatus (I.), pamphlet, p. 12
The effect of the induction-coil in telephonic apparatus (I.), pamphlet, p. 13
The effect of the induction-coil in telephonic apparatus (I.), pamphlet, p. 14
The American Telegraphone Company, pamphlet, front cover, recto
The American Telegraphone Company, pamphlet, front cover, verso
The American Telegraphone Company, pamphlet, [p. 3]
The American Telegraphone Company, pamphlet, [p. 4]
The American Telegraphone Company, pamphlet, p. 5
The American Telegraphone Company, pamphlet, p. 6
The American Telegraphone Company, pamphlet, p. 7
The American Telegraphone Company, pamphlet, p. 8
The American Telegraphone Company, pamphlet, p. 9
The American Telegraphone Company, pamphlet, p. 10
The American Telegraphone Company, pamphlet, p. 11
The American Telegraphone Company, pamphlet, p. 12
The American Telegraphone Company, pamphlet, p. 10
The American Telegraphone Company, pamphlet, p. 9
The American Telegraphone Company, pamphlet, p. 15
The American Telegraphone Company, pamphlet, p. 9
The American Telegraphone Company, pamphlet, p. 15
The American Telegraphone Company, pamphlet, [p. 16]
The American Telegraphone Company, pamphlet, p. 17
The American Telegraphone Company, pamphlet, p. 18
The American Telegraphone Company, pamphlet, p. 19
The American Telegraphone Company, pamphlet, [p. 20]
The American Telegraphone Company, pamphlet, p. 21
The American Telegraphone Company, pamphlet, p. 22
The American Telegraphone Company, pamphlet, p. 23
The American Telegraphone Company, pamphlet, p. 24
The acoustic principles underlying the art of telephony, pamphlet, front cover, recto
The acoustic principles underlying the art of telephony, pamphlet, front cover, verso
The acoustic principles underlying the art of telephony, pamphlet, [p. 3]
The acoustic principles underlying the art of telephony, pamphlet, p. 4
The acoustic principles underlying the art of telephony, pamphlet, p. 5
The acoustic principles underlying the art of telephony, pamphlet, p. 6
The acoustic principles underlying the art of telephony, pamphlet, p. 7
The acoustic principles underlying the art of telephony, pamphlet, p. 8
The acoustic principles underlying the art of telephony, pamphlet, p. 9
The acoustic principles underlying the art of telephony, pamphlet, p. 10
The acoustic principles underlying the art of telephony, pamphlet, p. 11
The acoustic principles underlying the art of telephony, pamphlet, p. 12
The acoustic principles underlying the art of telephony, pamphlet, p. 13
The acoustic principles underlying the art of telephony, pamphlet, p. 14
The acoustic principles underlying the art of telephony, pamphlet, p. 15
The acoustic principles underlying the art of telephony, pamphlet, p. 16
The acoustic principles underlying the art of telephony, pamphlet, p. 17
The acoustic principles underlying the art of telephony, pamphlet, p. 18
The acoustic principles underlying the art of telephony, pamphlet, p. 19
The acoustic principles underlying the art of telephony, pamphlet, p. 20
The acoustic principles underlying the art of telephony, pamphlet, p. 21
The acoustic principles underlying the art of telephony, pamphlet, p. 22
The acoustic principles underlying the art of telephony, pamphlet, p. 23
The acoustic principles underlying the art of telephony, pamphlet, p. 24
The acoustic principles underlying the art of telephony, pamphlet, p. 25
The acoustic principles underlying the art of telephony, pamphlet, p. 26
The acoustic principles underlying the art of telephony, pamphlet, p. 27
The acoustic principles underlying the art of telephony, pamphlet, p. 28
The acoustic principles underlying the art of telephony, pamphlet, p. 29
The acoustic principles underlying the art of telephony, pamphlet, p. 30
The acoustic principles underlying the art of telephony, pamphlet, p. 31
The acoustic principles underlying the art of telephony, pamphlet, p. 32
The acoustic principles underlying the art of telephony, pamphlet, p. 33
The acoustic principles underlying the art of telephony, pamphlet, p. 34
The acoustic principles underlying the art of telephony, pamphlet, p. 35
The acoustic principles underlying the art of telephony, pamphlet, end page, verso
Article related to William J. Hammer's experiments with the long distance telephone-phonograph line, clipping, recto
Article related to William J. Hammer's experiments with the long distance telephone-phonograph line, clipping, verso
Telephone relays or repeaters, clipping, recto
Telephone relays or repeaters, clipping, verso
Telephone relays or repeaters, clipping, recto
Telephone relays or repeaters, clipping, verso
Circuit diagram for Ruhmer's photographophone, clipping, recto
Circuit diagram for Ruhmer's photographophone, clipping, verso
Photograph of two photograms, recto
Photograph of two photograms, verso
Circuit diagram for Ruhmer's photographophone, recto
Circuit diagram for Ruhmer's photographophone, verso
Images and diagrams related to Thomas A. Edison's telephonic work, recto
Images and diagrams related to Thomas A. Edison's telephonic work, verso
Circuit diagram relating to telephony, recto
Circuit diagram relating to telephony, verso
Circuit diagrams relating to telephony, recto
Circuit diagrams relating to telephony, verso
Circuit diagrams relating to telephony, recto
Circuit diagrams relating to telephony, verso
Diagrams of magnets, recto
Diagrams of magnets, verso
Cycle of operations in detail with comments, typescript, [f. 1r]
Cycle of operations in detail with comments, typescript, [f. 1v]
Cycle of operations in detail with comments, typescript, [f. 2r]
Cycle of operations in detail with comments, typescript, [f. 2v]
Cycle of operations in detail with comments, typescript, [f. 3r]
Cycle of operations in detail with comments, typescript, [f. 3v]
Cycle of operations in detail with comments, typescript, [f. 4r]
Cycle of operations in detail with comments, typescript, [f. 4v]
Cycle of operations in detail with comments, typescript, [f. 5r]
Cycle of operations in detail with comments, typescript, [f. 5v]
Cycle of operations in detail with comments, typescript, [f. 6r]
Cycle of operations in detail with comments, typescript, [f. 6v]
Cycle of operations in detail with comments, typescript, end page, recto
Cycle of operations in detail with comments, typescript, end page, verso
Some new telephone apparatus, article, p. 733
Some new telephone apparatus, article, p. 734
Some new telephone apparatus, article, p. 735
Some new telephone apparatus, article, p. 736
Some new telephone apparatus, article, p. 737
Some new telephone apparatus, article, p. 738
Some new telephone apparatus, article, p. 739
Some new telephone apparatus, article, p. 740
Neuerungen auf dem Gebiete der Telephonie, pamphlet, front cover, recto
Neuerungen auf dem Gebiete der Telephonie, pamphlet, front cover, verso
Neuerungen auf dem Gebiete der Telephonie, pamphlet, [p. 1]
Neuerungen auf dem Gebiete der Telephonie, pamphlet, p. 2
Neuerungen auf dem Gebiete der Telephonie, pamphlet, p. 3
Neuerungen auf dem Gebiete der Telephonie, pamphlet, p. 4
Neuerungen auf dem Gebiete der Telephonie, pamphlet, p. 5
Neuerungen auf dem Gebiete der Telephonie, pamphlet, p. 6
Neuerungen auf dem Gebiete der Telephonie, pamphlet, back cover, recto
Neuerungen auf dem Gebiete der Telephonie, pamphlet, back cover, verso
1 of 281
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Type
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Date
1885-1915
Call number
mssHammer
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