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Numerous photographs related to Edison, and to Hammer's career
Manuscripts
Numerous photographs related to Edison, and to Hammer's career
Photograph of the first flashing column of light, recto
Photograph of the first flashing column of light, verso
Six photographs of metal surfaces, recto
Six photographs of metal surfaces, verso
Edison pioneers, front cover, recto
Edison pioneers, front cover, verso
Two photographs of Thomas A. Edison, recto
Two photographs of Thomas A. Edison, verso
Electrical review, editorial, p. 387
Electrical review, editorial, p. 388
Electrical review, editorial, p. 389
Electrical review, editorial, p. 390
Electrical review, editorial, p. 391
Electrical review, editorial, p. 392
Illustration of Thomas A. Edison in his laboratory, recto
Illustration of Thomas A. Edison in his laboratory, verso
Photographer of children, front cover, recto
Photographer of children, front cover, verso
Portrait of Thomas A. Edison, recto
Portrait of Thomas A. Edison, verso
Lithograph of Thomas A. Edison's magneto telephone, recto
Lithograph of Thomas A. Edison's magneto telephone, verso
Photograph of banquet held in celebration of Thomas A. Edison, recto
Photograph of banquet held in celebration of Thomas A. Edison, verso
Photograph of the first flashing electric sign in the world, recto
Photograph of the first flashing electric sign in the world, verso
Photograph of Thomas A. Edison's 1st electric railroad at Menlo Park, recto
Photograph of Thomas A. Edison's 1st electric railroad at Menlo Park, verso
Photograph of the American electrical specialties section at the Crystal Palace, recto
Photograph of the American electrical specialties section at the Crystal Palace, verso
Photograph of the first flashing column of light, recto
Photograph of the first flashing column of light, verso
Drawing of Reis' needle receiver 1860, No. 1, recto
Drawing of Reis' needle receiver 1860, No. 1, verso
Drawing of Rei's electro magnetic receiver 1862, No. 2, recto
Drawing of Rei's electro magnetic receiver 1862, No. 2, verso
Drawing of Reis' transmitter 1862, No. 2a, recto
Drawing of Reis' transmitter 1862, No. 2a, verso
Drawing of Clerac's tube, a tension regulator 1865, No. 2b, recto
Drawing of Clerac's tube, a tension regulator 1865, No. 2b, verso
Drawing of Gray's blacking-box receiver 1875, No. 3, recto
Drawing of Gray's blacking-box receiver 1875, No. 3, verso
Drawing of Grays transmitter, No. 3, recto
Drawing of Grays transmitter, No. 3, verso
Drawing of Edison's transmitter, No. 4, recto
Drawing of Edison's transmitter, No. 4, verso
Drawing of Bell's iron box receiver 1876, No. 4, recto
Drawing of Bell's iron box receiver 1876, No. 4, verso
Drawing of Bell's box telephone receiver, No. 5, recto
Drawing of Bell's box telephone receiver, No. 5, verso
Drawing of Bell's telephone, No. 6, recto
Drawing of Bell's telephone, No. 6, verso
Drawing of Hughes' microphone, No. 7, recto
Drawing of Hughes' microphone, No. 7, verso
Drawing of Hunnings' transmitter, No. 8, recto
Drawing of Hunnings' transmitter, No. 8, verso
Drawing of Edison's lamp black telephone, No. 9, recto
Drawing of Edison's lamp black telephone, No. 9, verso
Photographs of sculptural art work by Mr. Julio Kilenyi, recto
Photographs of sculptural art work by Mr. Julio Kilenyi, verso
Photograph of the Jumbo dynamo, recto
Photograph of the Jumbo dynamo, verso
Photograph of William J. Hammer's scientific and experimental apparatuses, recto
Photograph of William J. Hammer's scientific and experimental apparatuses, verso
Photograph of Thomas A. Edison receiving his first phonogram, recto
Photograph of Thomas A. Edison receiving his first phonogram, verso
Photograph of Thomas A. Edison receiving his first phonogram, recto
Photograph of Thomas A. Edison receiving his first phonogram, verso
Photograph of banquet tendered to Thomas A. Edison, recto
Photograph of banquet tendered to Thomas A. Edison, verso
The spirit of invention marches on in Thomas A. Edison's laboratories, newspaper clipping, recto
The spirit of invention marches on in Thomas A. Edison's laboratories, newspaper clipping, verso
1 of 72
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Type
Manuscripts
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Date
1860-1937
Call number
mssHammer
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View in the Library catalog
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