back number of the Scientific finish, have no equal. The Building Edition of the Scientific American American Supplement can be had at this office for Typewriter. Ideal and Leader Spring Divi- Is unquestion(wly the very best advertising medium foi 10 cents. Also to be had of newsdealers in all… … Agency for lars for estimates. ELECTRIC POWER TRANSMISSION NEW CATALOCU A E The value of the Scientific American as an adver- in Mining Operations.—By H. C. Spaulding. A brief ?resentation of some of the work already done toward tising medium cannot be overestimated. Its circulation he application…
Patents · Asks · Munn · Iron · Scientific American · Wrought iron · Superheated steam · Car coupling · Cast Iron · Sir william · American supplement · Inferior molar · Largest circulation · Sugar cane
Internet Archive · Public domain (published before 1931). Free to use for anything.
