er forshafting, from its utility in leveling and lining shafting, andthe reduction of friction accomplished by its use, has growninto general favor. Our engraving illustrates still anotherimprovement upon this form of hanger. The engraving will show that the same general principlesof construction… … This arrangement enables the box to be made in halvesand held together without the use of special bolts for thispurpose, the upper and lower bolts in this hanger perform,ing a double office. The convenience of this arrangement is manifest, and be-sides the additional convenience, the fact that the…
Patents · Iron · Consists · Assignor · Tho · Scientific American · Tube · Patent issued · Letters patent · Varnish room · Specific gravity · Tartaric acid · Sewing machine · Iron wire · Revolving disk · Gaseous fuel
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