wire carrying a little scale pan slides freely 'J up and down. Fig. 4. The wire is pushed home to the top of the frame and some of the solution introduced, either by dipping the top or by painting it in with a brush. Then by adding weights the film can be pulled down like a delicate curtain until… … is dipped into the solution. A glass vessel full of hy- Four of the rings may be mounted as a windmill, by tying a small loop, less than the third of an inch, in drogen, or street gas, is inverted over it. Pig. 11. The Fig. 6, and be made to turn several times by the the end of a silk thread,…
Patented · Patents · Iron · Valve · Colors · Munn · Scientific American · Device · Hot air · American supplement · Wrought iron · Safety valve · Address munn · Postal order · Steam yacht · Fire box · Year brood
Internet Archive · Public domain (published before 1931). Free to use for anything.
