Trompeter Patching and Switching Systems 1973
A 1973 trade catalogue from Trompeter Electronics, Inc., of California, issued to engineers and purchasing agents specifying coaxial patching and switching hardware for broadcast and communications racks. Product photographs sit on flat blue, black and maroon color fields alongside dimensioned line drawings of BNC plugs and jacks, giving designers hard-edged metal hardware, grids of jack fields, tangles of colored patch cords, and technical callout type.
