Inside Out Library · Explore

Scientific American, Vol. 39, No. 20 (November 1878) (1878)

leaf 10

An illustration from Scientific American, Vol. 39, No. 20 (November 1878), 1878, leaf 10
of the sound of the ticking of a watch, the tramp of a fly or an ant, the crumpling of paper, whistling, instrumen- tal and vocal music, and, under the proper conditions, arti- culate speech, whispering, etc. The instrument shown in perspective in Fig. 4 and in sec- tion in Fig. 5 fulfills the… … to the diaphragm about an inch apart and at equal distances \ : whose lower end is adjusted when the dam is up in a from the center. They are both inclined downward at about' hurter or catch, at the head of a slide on the platform of the 'structure, along which it can be lowered at pleasure, the…

Patents · Iron · Steel · Patented · Scientific American · Electric light · Burnt alum · Baking powders · Sewing machines · Industrial property · Trade catalogs · American export · Export edition · Baking powder

Internet Archive · Public domain (published before 1931). Free to use for anything.

More pictures from Scientific American, Vol. 39, No. 20 (November 1878)

More like this