Date: 12/31/1969 Views: 3058
Date: 07/10/2009 Views: 3417
Date: 02/15/2008 Views: 3643
Date: 08/23/2023 Views: 208147
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