Title
Counting unit
Identifier
ABDNP:201892a
Description
modular valve unit (late 1950s?) Black aluminium case with rear connector and valves projecting and covered in screening cans. Counting unit Racal Eng. Ltd. Type no. CU 542 D Ser. No. N1681. 4 valves: 3 off 12AU7/ECC82; ECC82/12AU7
Date
1957-1962
Format
width 37 mm, height 145 mm, depth 200 mm