Physical description
1330.1 - Approx 110m long section of a compressor armature end binding from the compressor of tram No. 40. The binding section consists of string which has been impregnated with insulating varnish. Located between the end of the armature and the commutator and retains the mica core. Small pieces of mica on the inside. Has a circular shape inherent from its use. - Not numbered.
1330.2 - approx. 25mm long section strip of red silicone tape with glass fibre reinforcement - 25mm wide with a plastic separation strip. Supplied by XLNT Enterprises - see fax on W.A.Doubleday files dated 5/1/2000.
1330.3 - as above, but two sections of this tape joined together as a sample.
1330.2 used to wrap the armature - two layers applied cut to be about 22mm wide instead of 25mm - repair done on 3/3/2000.
See W.A. Doubleday personal btm files for period and car record book.