299,419 documents - page 1 of 500Result pages are truncated to 500.
Division of Work and Industry Lantern Slide Collection
Western Union Telegraph Company Records
Pittsburgh Consolidation Coal Company photographs and other materials
Drawing of Morse Recorder 1835. Method of setting up the instrument.(blueprint)
Drawing of first canvas stretcher, Morse, CF 768
Drawing of building the first transcontinental telegraph line in 1861
Drawing of a Pony Express rider
Drawings for tower and radio beam system
Miscellaneous drawings and schematics
[Samuel F. B. Morse as an elderly man with a beard, wearing medals : reproduction of drawing.]
[Kiddiegram envelope with colorful nursery rhyme drawings, including image of Mother Goose,]
Henry L. Potter / President of Western Union Tel. Co. / Apr. 4, 1856 - July 30, 1856
Drawing of tape reel machine, ink on linen, annotated in pencil
Drawings for table legs for Barclay printer (drawings rolled)
Electronic Timer drawings 109A
Drawings for Air Compressor Arrangement for Creed Printing Telegraph System
Drawings for a Century of Progress, Chicago
Board of Design Drawings for New York World's Fair