Inside Out Library · Explore
Scientific American, Vol. 42, No. 9 (February 1880) (1880)
leaf 4
urse of two or three The annexed engraving represents an improved pressure traction engine in which the propelling power is applied months, and about once a year a few crystals of sal am- temperature indicator, designed to serve the very important directly to an adjustable front axle, and the axle… … To avoid these extremes, the ladelphia, Pa., has patented ordinary instruments indi- SHAW'S ELECTRICAL INDICATOR. © 1880 SCIENTIFIC AMERICAN, INCPatents · Improved · Pressure · Cement · Patented · Scientific American · Boiler · Pumping system · Patent issued · American export · Rotary pressure · Practical treatise · Carbonic acid · Export edition · Oxalic acid · Low pressure
Internet Archive · Public domain (published before 1931). Free to use for anything.
More pictures from Scientific American, Vol. 42, No. 9 (February 1880)
More like this
