e of arms hinged to the vision was the 36 inch lens in the Naval Observatory at crank shaft. The hand ropes, F, leading through the which kept the bed compact. After the tunnel was Washington and the 30 inch refractor for the Imperial car pass over a "shipper" pulley, G, on whose shaft finished the… … plored by white men, because the almost perpendicu- SKETCH OF POST OFFICE ELEVATOB HOISTING lar walls make its summit inaccessible even to the most FALL OF AN ELEVATOB IN THE POST OFFICE ENGINE. experienced mountain climbers. To students of archse- BUILDING, NEW YOBK. ology and anthropology, this…
Rays · Bicycle · Apparatus · Munn · Kaiser · Scientific American · Pin cylinder · Permanent census · Kaiser wilhelm · Sprocket wheel · Chemically active · Post office · Type wheel · Wilhelm der · Kaiser friedrich
Internet Archive · Public domain (published before 1931). Free to use for anything.
