Scientific American, Vol. 26, No. 5 (January 1872)
A weekly issue of Scientific American from January 1872, published in New York for inventors, engineers and mechanics following patent news and trade machinery. Wood engravings show machines in section and elevation with lettered reference keys: sectional boilers over firebeds, bench saws and clamps, a pendulum-weighted lubricator, and linkage diagrams reversed white on black.






