Handbook of the practice and art of photography (1875)
Vogel, Hermann Wilhelm, 1834-1898, Molling, Edward F · Philadelphia, Benerman & Wilson · leaf 42
aracteristic parts should be kept in half shadow. These are artistic qualities which in a high degree are visible in the portraits of Adam Salomon, and less strikingly in those of Carl V. Jageman in Vienna. If we should try to take a group under the same conditions of illu- mination, only one… … be as 400 to 625 = 16 to 25, or nearly as 2 to 3. Suppose, further, we have an atelier 10 feet high, all other condi-
Photography
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
![An illustration from [Electric engineering.] (1902)](https://img.insideoutlibrary.com/img/200/ia-electricengineer02inte-239-124.webp)
