Box 606697413
Container
Contains 1 Result:
Copper disc of a recording (of a letter) by a method invented by S. O. Cowper-Coles, 1929
File
Shelfmark: MS. Eng. lang. f. 3
Copper disc of a recording (of a letter) by a method invented by S. O. Cowper-Coles, with a covering letter to Wright.
Dates:
1929