Category: Engineering & Technology
HERR Schultz-Sellack has recently called attention to a remarkable agreement in certain properties between chemically-clean glass surfaces and photographic films coated with tannin or albumen. The particular property in which they appear to agree is this—that an albumenised or...
The Attorney-General—Very well, gentlemen. That is so, and I am very glad you see the point upon which I insist. There will therefore be no need for me to spend any more time ab...
2. Part 2So away we started—a party of four, my wife and two ladies under my charge—and armed with Cook’s tickets we made our way _via_ Newhaven to Paris, which we reached late at night....
5. Part 5According to Dr. Sansom carbolic acid is readily taken up by air, so that 159.44 cubic inches of air, at 60° Fah., contain one grain of carbolic acid. Air thus _carbolised_ (cur...
4. Part 4Space is filled with a subtle ether, consisting of atoms in motion. These atoms are elastic—a property which they possess in virtue of being able to change their form, though no...
1. Part 1HERR Schultz-Sellack has recently called attention to a remarkable agreement in certain properties between chemically-clean glass surfaces and photographic films coated with tan...
6. Part 6T. M. (Newcastle-on-Tyne).—So far as we know, the only house in the photographic trade from which you can obtain what is wanted is that of Mr. F. W. Hart, 8, Kingsland-green. Th...