Date: 12/31/1969 Views: 2869
Date: 04/02/2006 Views: 4082
Date: 10/11/2009 Views: 2559
Date: 08/23/2023 Views: 83538
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