Scientific American
II. TECHNOLOGY AND CHEMISTRY.--Alcohol in Nature. Its presence in earth, atmosphere, and water. 6 figures. Distillatory apparatus and (magnified) iodoform crystals from snow water, from rain water, from vegetable mould, etc.
The ammonium and cadmium play a secondary part in the process, and are not absolutely necessary in forming the image. The plate is now extremely sensitive to light. When we have...
5. Chapter 5From whatever standpoint, therefore, we view the lacteal product of these four-footed giants, we are fully warranted in ascribing to it not only extreme richness, but also great...
8. Chapter 8Within the past five years, scientific men have surpassed previous efforts in close measurement and refined analysis. By means of instruments of exceeding delicacy, processes in...
2. Chapter 2In the following experiments the standard temperature of the water was taken as 60° F., and as the coal gave 13.4° of rise of temperature, 67° F. was selected as the standard ro...
4. Chapter 4Potash soaps are generally superior to soda soaps for most purposes, but more especially in washing wool and woolen goods. The difference between the use of a potash and a soda...
9. Chapter 9Prof. J. Perry lately delivered a lecture on this subject at the Society of Arts, London, which contains in an epitomized form the salient points of the hopes and fears of the m...
10. Chapter 10leaving a handsome balance to the good of £316 10s. as against gas. The results of the working, both practically and financially, have proved to be, at South Kensington, a decid...
3. Chapter 3The production of explosion by the putting of water on nitrate of potassium and chloride of sodium arises from the union, at high temperature, of the oxygen of the water with th...
6. Chapter 6Oscar Reymann and Adolf Ronsch, of Manila, exhibited the ilang-ilang oil in Paris in 1878; the former also showed the Cananga flowers. The oil of the flowers of the before-menti...
7. Chapter 7The diagrams are reduced from the originals, taken from the compression cylinder when running at the speed of 125 revolutions per minute, and also from the expansion cylinder, t...
1. Chapter 1II. TECHNOLOGY AND CHEMISTRY.--Alcohol in Nature. Its presence in earth, atmosphere, and water. 6 figures. Distillatory apparatus and (magnified) iodoform crystals from snow wat...
12. Chapter 12The instrument is a modification of the form of microphone devised in 1872 by the late Sir Charles Wheatstone, and it consists essentially of a stiff wire, A, one end of which i...