a specific gravity of A simple device for conveniently holding down the the strap or trace beneath a cross bar of the buckle 10'6. Strangely enough, however, although so heavy, leaves of books in open position is illustrated herewith, frame, is shown in the accompanying illustration. Fig. the sand… … through the slot of the wedge and that of the web, group, in which an atom of iron, nickel, or cobalt is BROWN'S MUSIC OB BOOK HOLDER. and is provided with a nut, the tongue being long united to two atoms of sulphur, arsenic, or antimony. enough to engage the elevated cross bar and having a The…
Patents · Bessemer · Iron · Scientific American · Water · Sucker fish · Sir william · Patent office · Cross bar · Horse power · Captain ericsson · Diaphragm cell · Field magnet · Scikntific american
Internet Archive · Public domain (published before 1931). Free to use for anything.
