Drawing for a Game Board, 01/05/1904. This is the printed patent drawing for a game board invented by Lizzie J. Magie. From the U.S. National Archives. Item from Record Group 241: Records of the Patent and T More
Fig. 2 of US Patent 488484 showing the truck of a Climax locomotive. Index: F - truck G, G’ - axles H - beveled skew-gear wheel I - cross box J - longitudinal shaft K’ - beveled skew-gear pinion H, H’ - lar More
Early illustration, perhaps the first, from a patent of a pre-tied tie, now known as a clip-on, issued to Johann Waehner of New York, NY in 1875, U.S. Patent 170651. See Section on Pre-Tied/Clip-on Ties, in th More
Trip-wire guiding device and protective fence including same. A trip-wire guiding device for a protective fence is described including an elongated member attachable to ground-anchoring means intermediate the More
Trip-wire guiding device and protective fence including same. A trip-wire guiding device for a protective fence is described including an elongated member attachable to ground-anchoring means intermediate the More
Trip-wire guiding device and protective fence including same. A trip-wire guiding device for a protective fence is described including an elongated member attachable to ground-anchoring means intermediate the More
Trip-wire guiding device and protective fence including same. A trip-wire guiding device for a protective fence is described including an elongated member attachable to ground-anchoring means intermediate the More
Trip-wire guiding device and protective fence including same. A trip-wire guiding device for a protective fence is described including an elongated member attachable to ground-anchoring means intermediate the More
Fig. 1 of US Patent 452124 showing a geared locomotive by Charles D. Scott. Index: 9 - Boiler 10 - Cab 11 - Steam-dome 12 - Steam pipe 13 - cylinder 14 - piston-rod 16 - cross-head 17 - pitman for frame mou More
Fig. 2 of US Patent 470078 showing the propelling gear for a tramway locomotive by Charles D. Scott. Index: A - Boiler B - Cab b, b’ - Wheelsets C - Fuel and water tank D - locomotive frame E, E’ - cylinder More
Fig. 1 and 2 of US Patent 504541 showing an tramway locomotive of C.D. Scott. Index: A - boiler A’ - tender B - cylinder B’ - truck frame supporting the boiler C, C’ - Wheels in truck frame supporting the b More