Inside Out Library · Explore

Scientific American, Vol. 62, No. 4 (January 1890) (1890)

leaf 7

An illustration from Scientific American, Vol. 62, No. 4 (January 1890), 1890, leaf 7
Postmaster-General. The post office offi- rollers are seen at D D, while the driving pulleys with remains of which are found in the Rocky Mountains. cials here are greatly pleased with it, and Postmaster connecting belt are shown upon the top of the frame. The geological horizon of these strange… … satisfactory postal service top of the head, and a row NEW LETTEE STAMPING MACHINE IN USE AT THE NEW YO£E POST OFPICE, in cities. It sometimes of sharp projections around happens that letters and the margin of the poste- postal cards are deposited in the post office in such great D D, holding back…

Patents · Post · Munn · Letters · Post office · Device · Express money · Cast Iron · Scientific American · High pressure · Electric light · Postal cards · Horse power · Pigeon holes · Twin screw

Internet Archive · Public domain (published before 1931). Free to use for anything.

More pictures from Scientific American, Vol. 62, No. 4 (January 1890)

More like this