r works, and the factory where the fa- the same as the expense would amount to for two hundred As ageneral rule one lamo will Illuminate sufficiently an mous Menier chocolate is made. In each of the first two, and fifty gas burners. The light obtained exceeds that of area of 5,130 square feet in a… … INDUSTRIAL APPLICATION OP ELECTRIC LIGHT.-Fig. 3. ) 1877 SCIENTIFIC AMERICAN, INC
Patents · Water · Asks · Grammes · Parts · Scientific American · Iron · Supply pipe · Sulphuric acid · Square feet · Catch lever · Horse power · American supplement · Sun spots · Wrought iron · Trade catalogs
Internet Archive · Public domain (published before 1931). Free to use for anything.
