Title
Whirlwind stack 4FCatalog Number
102731709Type
Physical objectDescription
The front of the object is a standard 19 inch rack panel. It has 8 rotary selector switches. One switch is labeled "SYNC SELECTOR". Three of the switches are grouped with a "LOWER TRACE" label Another three switches are grouped with an "UPPER TRACE" label. The last switch is unlabled and has no knob. Behind the front panel is a metal box with numerous BNC connectors on the back.The object was probably used to select signals from the BNC connectors. The signals would be used as the 2 vertical inputs and sync signal for a dual trace oscilloscope.