Box 2

Description of the Collection 109 spools of magnetic wire recordings, presumed to be test samples for experiments conducted by Marvin Camras while developing wire recording technology at Armour Research Foundation. Spools (3½" diameter) and containers are labeled with various numbers and occasional text; e.g., one reads: 387, W477, 270/1926, HALF to w[?]ear; another reads: No - 208, 1.- B. 90% red., W389. Inventory of Spool Numbers...