1960's Eko Electric Guitar in Black . Pushbuttons read, T (top pickup / neck position), B+T (bridge and neck pups), M (you guessed it--the middle two), B (bridge only) and OFF (which really means ALL ON, as in Control is now OFF). One roller for volume and one for tone, I forget which is which.
Vice Guitars 707 Masterpiece. RESEARCH #cSw:) - https://www.pinterest.com/claxtonw/4-5-6-strings/ - 4 5 6 STRINGS: Fuses art, design, science & experience. Steel- top features an engraved three- piece copper top w matching headstock- & backcover- plate. All hardware parts - pickup-cover, bridge, rings, knobs - are carefully aged by hand. Made from selected kaya mahogany. Weighs 3.5 kg/ 7.7 lbs.