extending along the side of dicated by the inner edge of the caliper arm, h\ the McINTYRE'S SAD IRON HOLDER. the frame and provided with a crank for turning it. inside caliper is taken between the pointers on the A belt passes around a pulley on this shaft and around arms, a and h, and the… … treatment of steel for rendering it COMBINED CALIPER, PROTRACTOR, AND BEVEL. tough appear to confirm its value, im- parting to it also a fineness of grain, This invention has been patented by Mr. Frederick an increased hardness, and a notable W Woodhull, of Lincoln University, Pa. accession of…
Patented · Machine · Patents · Apparatus · Scientific American · Spalding · American supplement · Windmill water · Steam engine · Iron plate · Sibley college · Flood rock · Sewing machine · Address munn · Water Supply
Internet Archive · Public domain (published before 1931). Free to use for anything.
![An illustration from Cosmographia Francisci Mavrolyci Messanensis Sicvli : in tres dialogos distincta, in quibus de forma, situ numerʹoq[ue] tam coelorum q[uam] elementorum, alijsq[ue] rebus ad astronomica rudimenta spectantibus satis disseritur (1543)](https://img.insideoutlibrary.com/img/200/ia-cosmographiafran00maur-177-0.webp)
