General Electric CDS / CDX 500 Watt Projection Lamp NIB Swan Lake Acts 2 They are World War Two

They are World War Two vintage and all have US Army Signal Corp SC 278 A codes

This new old stock-testing matched pair of RCA 6BL7GTA dual triodes was tested on our TV7/U for shorts

I have played them (with adapters

7 milliamps while transconductance measured 2910 micromhos

new in box RCA 6DS4 nuvistor tube tested to spec on our Paul Hart-calibrated TV7/U

General Electric CDS / CDX 500 Watt Projection Lamp NIB Swan Lake Acts 2 They are World War TwoThis new old stock, new in box GE CDS CDX 500 watt projection bulb and its box are in pristine shape. WE HAVE A MODEST SELECTION OF LIGHTING SUPPLIES TUBES. PLEASE CALL OR TEXT US AT 202 372 6931 IF YOU DO NOT SEE WHAT YOU NEED OR HAVE ANY QUESTIONS. LIGHT BULBS ARE GUARANTEED GOOD ON SHIPMENT. IF YOU FEAR DAMAGE OR LOSS OF PARCEL IN TRANSIT, PLEASE INSURE THEM! OUR SHIPPING RESPONSIBILITY ENDS WHEN THE PARCEL IS ACCEPTED AND SCANNED BY THE US POSTAL