THE ADVOCATE OF INDUSTRY, AND JOURNAL OF SCIENTIFIC, MECHANICAL AND OTHER IMPROVEMENTS. NO. -28. VOL. XIII. NEW YORK, MARCH 20, 1858. GEIB'S IMPROVED FLOUR BOLT. SCIENTIFIC AMERICAN, PUBLISHED WEEKLY … pinhole in a piece of brass or card, and at The special object of this improved bolt is Fig. 2 shows a section through the top of night by looking at a candle through a lens of flour passes down into a proper receptacle to avoid the necessity of rebolting all the one of tho elevators, which are…
Claim · Patents · Manner · Purpose · Arranged · Tho · Combination · Purpose set · Patented · Steam engines · Seed distributing · Purposes set · Spontaneous combustion · Patent office · Scientific American · York city · Rotary motion · Pavement block
Internet Archive · Public domain (published before 1931). Free to use for anything.
