the diaphragm, but when sounds are uttered in the tube attached to the cell, the diameter, could be driven at a speed of five knots per oa/j/j.//,' diaphragm is vibrated, its motion being made manifest hour in calm weather and against a fresh breeze at four knots. The engine producing this effect… … Fig. 3.-FH0N0GBAFHIC RECORDER. should be of steel accurately shaped and arranged to be together with screws, and clamping between them a turned at greater or less angles according to the direc- thin iron diaphragm. The upperdisk is aperturedand tion of the wind. To drive the dynamo, a lead of an…
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.
