| 释义 |
Tobin bronze
An alloy invented by John A. Tobin of the U.S. navy, composed mainly of copper, zinc, tin, with some iron, and lead; one kind is called delta-metal (see delta 4).
Used for articles of domestic use, parts of machines, parts of ships exposed to the constant action of salt water, etc.
[1882J. A. Tobin 14 Dec. U.S. Patent Specif. No. 309011 The essential elements of my alloy are copper, zinc, and tin.] 1891Jrnl. Franklin Inst. CXXXII. 55 The Ansonia Brass and Copper Company..are..the sole manufacturers of Tobin bronze. 1893Outing (U.S.) XXII. 147/1 The fin [centre-board of a sailing boat] is of Tobin bronze, one-quarter inch thick, six feet long on upper edge. 1899Westm. Gaz. 12 June 7/2 The quality of the skin material..has been the subject of much thought and experiment, resulting in the use of Tobin bronze, as contrasted with manganese bronze in Defender [a racing yacht]. |