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Clippings by and about Hammer relating to incandescent lighting
Manuscripts
Clippings by and about Hammer relating to incandescent lighting
Photograph of incandescent lamps, recto
Photograph of incandescent lamps, verso
Images of different bases for incandescent lamps, recto
Images of different bases for incandescent lamps, verso
From paper filament to carbon, editorial in The Edison Monthly, p. 32
Editorial in The Edison Monthly, p. 31
From paper filament to carbon, editorial in The Edison Monthly, p. 33
From paper filament to carbon, editorial in The Edison Monthly, p. 34
The lamb studios, editorial in The Edison Monthly, p. 36
From paper filament to carbon, editorial in The Edison Monthly, p. 35
Watts in a name, editorial in The Edison Monthly, p. 68
Editorial in The Edison Monthly, p. 67
Watts in a name, editorial in The Edison Monthly, p. 70
Watts in a name, editorial in The Edison Monthly, p. 69
Indicator with work lamp and test lamp, excerpt from the Journal of the Franklin Institute, [f. 1r]
Indicator with work lamp and test lamp, excerpt from the Journal of the Franklin Institute, [f. 1v]
Indicator with work lamp and test lamp, excerpt from the Journal of the Franklin Institute, [f. 2r]
Indicator with work lamp and test lamp, excerpt from the Journal of the Franklin Institute, [f. 2v]
Diagram model of automatic electric circuit opener, sheet 1, verso
Diagram model of automatic electric circuit opener, sheet 1, recto
Diagram model of automatic electric circuit opener, sheet 2, verso
Diagram model of automatic electric circuit opener, sheet 2, recto
Diagram model of automatic electric circuit opener, sheet 3, verso
Diagram model of automatic electric circuit opener, sheet 3, recto
Diagram model of automatic electric circuit opener, sheet 4, verso
Diagram model of automatic electric circuit opener, sheet 4, recto
Patent record for William H. Sawyer, [p. 1]
Patent record for William H. Sawyer, p. 2
Patent record for William H. Sawyer, p. 3
Patent record for William H. Sawyer, p. 4
Patent record for William H. Sawyer, p. 5
Patent record for William H. Sawyer, [p. 6]
Copy of clipping highlighting advantages of the Edison incandescent light over gas and other illuminants, recto
Copy of clipping highlighting advantages of the Edison incandescent light over gas and other illuminants, verso
Clipping highlighting advantages of the Edison incandescent light over gas and other illuminants, recto
Clipping highlighting advantages of the Edison incandescent light over gas and other illuminants, verso
Clipping highlighting advantages of the Edison incandescent light over gas and other illuminants, recto
Clipping highlighting advantages of the Edison incandescent light over gas and other illuminants, verso
1 of 38
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Type
Manuscripts
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Date
1883-1953
Call number
mssHammer
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