Date: 12/31/1969 Views: 2499
Date: 07/29/2007 Views: 2125
Date: 12/31/1969 Views: 3298
Date: 08/23/2023 Views: 83736
Upper left: RMS (Root Mean Square) Meter Circa 1950s Lower Left: Signal Generator (Tone Generator), much newer than RMS Circa 60s/70s Right top and bottom: Power Supplies Circa 70s Way right: Scope (can only make out leg) Circa 80s