| Description | Magnetos and their uses. Illus. 28pp. 1921. MILLER (J.L.).
The Uniflow steam engine. Illus. 44pp. 1921. PERRY (FREDERICK BUCKLAND).
Address by the president. 13pp. 1921. JEBOULT (WILLIAM ALEXANDER).
Adding machines, thier history, methods of manufacture and application. Illus. 30pp. 1921. GODDARD (E.H.).
The Architect's level. 8pp. 1921. FINNEY (JAMES).
Heat insulation. 18pp. 1921. LEWIS (A.D.).
Electric driving of rolling mills. 12pp. 1921. JUDGE (WILLIAM EDWARD).
Some notes on the design and construction of scientific instruments. Illus. 36pp. 1921. WHIPPLE (ROBERT STEWART). |