IVE ABTIPICIAL EYE. 1 United States Patent Office has recently declined to register frame or braces of a locomotive or other large objects, may We have already alluded to Dr. William Siemens' curious trade marks for British subjects for the reason that no pro- be heated in their places and bent.… … artificial scale thus made with fresh water cannot be dis- moved. based upon the action of light upon the electric conducti- The apparatus is the invention of Messrs. 0. G. Dodge and solved by fresh water, and is not likely to be affected by the vity of selenium. The construction of the eye is…
Patents · Emery · Improved · Color · Scientific American · Left hand · Emery wheel · Army worm · Patent issued · Patent office · Lehigh emery · Trade marks · American supplement · Carbolic acid
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