ween the helices of the magnet, slotted disk, connecting rod catch, and cast steel and has a stop projection taking on the connecting wheels, the screw being locked and stationary, the nut piece of the magnet, so as to serve as a back point. —having a spur wheel on a friction cone—turning in a The… … OBJECT LENS FOR TELESCOPES AND CAMERAS. BELT'S TELEGRAPH KEY AND SOUNDER. Better Pyrometers Needed. produce a stereoscopic effect in the picture. The lens the binding posts for the finger key, which are con- At a recent general meeting of the German Union of is of compound or double form, each…
Patented · Patents · Gelatine · Apparatus · Munn · Scientific American · Iron · Postal order · Feet long · Paper pulp · Cement lined · Address munn · Sole leather · Feed water · Gas pipes · Cross hairs
Internet Archive · Public domain (published before 1931). Free to use for anything.
