Inside Out Library · Explore

Scientific American, Vol. 60, No. 19 (1889) (1889)

leaf 4

An illustration from Scientific American, Vol. 60, No. 19 (1889), 1889, leaf 4
ced upward as shown attachment, infront of the object lens, to provide means from the middle back each way toward the ends in the in Fig. 2, forcing the upper points around the nozzle, whereby the person using the glass can see objects at same way, then again toward the center, and so on. and thus… … THOMPSON’S FOUNTAIN BRUSH AND SPONGE HOLDER. of the lower left hand coil, and the block, e, is connect- ed with the upper terminal of the same coil. The 3 represents one of the sponge holder hooks. This in- block, 6, is connected with the lower terminal of the vention has been patented by Mr.…

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

More pictures from Scientific American, Vol. 60, No. 19 (1889)

More like this