First recording tape made of electrolytic copper,

Made:
1928
maker:
Sherard Osborn Cowper-Coles

Buy this image as a print 

Buy

License this image for commercial use at Science and Society Picture Library

License

Science Museum Group
© The Board of Trustees of the Science Museum

First recording tape made of electrolytic copper, obtained by the weak line of cleavage method.Made by Cowper Coles c1928. Extension of "Minivoice" method.

Details

Category:
Metallurgy
Object Number:
2002-215
type:
tape recording
credit:
Mr. Peter Cowper-Coles.