Elements of natural philosophy (Volume 2-3) (1850)
Bartlett, W. H. C. (William Holms Chambers), 1804-1893 · New York : Barnes · leaf 268
0 m\ is one of these rays. It isobvious also, that the distance E E\ through which themovable semi-lens has passed, is equal to the diameterof the disk. The dynameterconsists of two tubesJ.i?, and G D, mov-ing freely one with-in the other, the lar-ger having a metal- -lie base with anaperture in… … Essential parts ofthe dynameter; Tiff. 60.
Mechanics · Acoustics · Optics
Internet Archive · Medical Heritage Library · Public Domain Mark 1.0. Free to use for anything.
