are four Roman hinges of bronze pads substituted for brushes. The third is a single pad without which is illustrated in our engravings. Fig. 1 is a side ele- now in the British Museum. springs. The fourth has brushes of different shapes adapted vation of a boring bit with the countersink… … edges, G, parallel to the clamping screws, D, so that they The other hinges shown in Fig. 7 are designated according CLOTHES LINE HOLDER, work alike, whether clamped to a large or small shank, C; to the purposes to which they are applied, or with reference designed to secure the line without…
Patents · Valve · Inches · Improved · Scientific American · Pipe · Total number · North wind · Patent office · Feet long · Sea lions · Copy scientific · Horse power · Trade catalogs · Iron pipe
Internet Archive · Public domain (published before 1931). Free to use for anything.