•» 1 ■ > » called "pyroscopes" are employed with advantage to those used in opera glasses. The same effect may be IMPROVED SHAPING MACHINE. obtained by taking an ordinary lens and by dia- approximately regulate and judge of the temperature Our engraving illustrates an unusually large shap- of ovens… … State of the Union in the ing gear, etc., consists of a IMPROVED SHAPING MACHINE. five speed cone pulley, 20 production of starch from inches to 36 inches in di- corn, having eight factories ameter, and] two changes of spur gear. The changes and producing more than one-third of the total amount of…
Patented · Patents · Gelatine · Apparatus · Munn · Scientific American · Iron · Postal order · Feet long · Paper pulp · Cement lined · Address munn · Sole leather · Feed water · Gas pipes · Cross hairs
Internet Archive · Public domain (published before 1931). Free to use for anything.
