LETTER SCALES, BRASS WEIGHTS, CALIBRATION KIT, ETC: Carton housing a miscellany of items inc. c.1950s letter scale plus a few sets of weights, an earlier 'pedestal' type scale and a Calibration Set for GPO relay adjustment gauges in original c.1960s/70s wooden box - used to calibrate gauges nos. 1-4 which were used to adjust 1000 type relays as used in Strowger selectors, etc. (small qty) (Image)

LETTER SCALES: 19th to early 20th century collection of postal letter scales. All with a wooden base and brass balance and weights, and all with "Rates of Postage" impressed on the balance pan. In very fine condition. (3) (Image)