TUBE, VACUUM

Description: 1. BOX: CARDBOARD BOX 12.4CM (L) X 7.5 CM (W) X 7.5CM (H) COVERED WITH BLUE PAPER. BOTTOM HAS NO MARKINGS BUT HAS REMNANTS OF PAPER STICKER WHICH HAS BEEN TORN OFF. COVER OF BOX HAS HALF CIRCLE SHAPES CUT AT THE CENTER OF LONG SIDES ALONG EDGE. AT ONE END SIDE HAS RED STRAIGHT LINE BORDER AND PRINTING. IT READS "R216-A VACUUM TUBE (AMPLIFIER) NORTHERN ELECTRIC COMPANY LIMITED MONTREAL MADE IN CANADA". BLUE PAPER COVERING IS CRACKING AND WORN, ESPECIALLY ON CORNERS AND EDGES. HAS NUMEROUS SMALL STAINS AS WELL. 2: VACUUM TUBE: GLASS BULB WITH COPPER SOCKET. BULB HAS POINTED TIP FROM MANUFACTURE AND SILVERY FINISH. TWO LOGOS HAVE ALSO BEEN FROSTED ONTO BULB OPPOSITE EACH OTHER. ONE IS A CIRCLE WITH "GE" IN STYLIZED LETTERING. OTHER SIDE HAS CIRCLE WITH "CR" INSIDE OF IT. WIRE AND GLASS ELECTRICAL COMPONENTS CAN BE SEEN INSIDE BULB WITH "413" WRIITEN ON BOTTOM PIECE. BASE OF TUBE IS CYLINDICAL COPPER TUBE WITH HORIZONTAL GROOVE NEAR BOTTOM EDGE. STAMPED IN BLACK INK ON SIDE OF COPPER IS "RADIOTRON MODEL UV-201" AND "PATENTED" AND "LICENSED FOR AMATEUR OR EXPERIMENTAL USE ONLY". BOTTOM OF TUBE IS WHITE PORCELAIN WITH A CIRCLE AND "2" ENGRAVED INTO CENTER. AROUND CENTER ARE FOUR COPPER ELECTRODES 0.7CM LONG EACH, SET IN A SQUARE PATTERN. TUBE AND COPPER SOCKET ARE DIRTY AND COPPER IS SLIGHTLY TARNISHED.

History: ARTIFACT WAS COLLECTED, CLEANED AND RESTORED BY DONOR, WHO WAS FORMERLY A TEACHER OF ELECTRONICS AT L.C.I. IN THE MID-1980'S. SEE PERMANENT RECORD FOR MORE INFO.