Date: 02/02/2004 Views: 2057
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Date: 05/23/2007 Views: 549147
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