on between the two classes of says: Mr. James E. Depue, of Oakland, Cal. The combina- engines, these items can be omitted. With each step in industrial progress not only is the tion embraces a general ledger, a sales book or personal " Considering the question of cost of power in a gen- greater the… … to its original economy than a steam engine, because a ed speech; for the means of flashing the very voice to steam engine will run with valves and pistons in bad a listener in a distant city, or catching the fugitive, DEPUE'S LEDGEE, SALES AND BILLING BOOK. order, while a gas engine refuses to go…
Patents · Shutter · Munn · Scientific American · Vertical · High grade · Express money · Horse power · Sewing machine · Carbonic acid · Patent office · Bell telephone · Gas engine · Electromotive force
Internet Archive · Public domain (published before 1931). Free to use for anything.