Carr, W. M. Open hearth steel castings. $1.50. Penton pub.
7–33981.
“This little book is a reprint of a series of articles which were published in the ‘Iron trade review’ and ‘The foundry,’ in 1905 and 1906. It comprises chapters on: Raw materials for acid and basic practice and moldings; open hearth furnace construction; fuels and accessories; manipulation of acid and of basic heats; chemical and physical tests; relation between chemical composition and physical properties; blowholes and checks in steel castings; heat treatment and annealing; repairing with thermit, and cost of equipment.”—Engin. N.
“Each subject is treated briefly and the information given is well-chosen, useful and accurate, reflecting the author’s own experience in practice, and utilizing advantageously the small amount of printed space occupied. It is written in a clear manner and the greater part of it will be comprehensible even to men who have no technical education.” Bradley Stoughton.
| + + − | Engin. N. 58: 79. Jl. 18, ’07. 350w. |
Carrington, Hereward. Physical phenomena of spiritualism, fraudulent and genuine. **$2. Turner, H. B.
7–17909.
A brief account of the most important historical phenomena, a criticism of their evidential value, and a complete exposition of the methods employed in fraudulently reproducing the same. The book is mainly devoted to exposing the frauds of professional mediums.