Whirlwind divide control 308 and vertical display decoder rack
Object consists of two large square metal panels connected by metal rails. The upper panel is a "308 DIVIDE CONTROL Serial #1" It has 25 empty tube sockets. The lower panel is a "VERTICAL DISPLAY DECODER". It carries 33 pluggable modules, in three rows of eleven. Each module carries sockets for two tubes. In one module, both sockets are empty. In ten modules, one socket is empty and one populated with a tube. The other 22 modules have each two tubes in place. A number of BNC connectors for cables are visible.