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 TERMINAL-STATION TELEPHONE No. 316This instrument is of the small size, and fitted with hand micro-telephone No. 532 and cord No. 2050, and two-magnet generator No. 481 which will ring satisfactorily through the 100-ohm bell of the instrument and a line resistance of 5,000 ohms. A Separate battery box must be used and box No. 420 which can be fixed on to the instrument, will be found suitable. Weight 8.8 lbs. Price £3. Similar to the previous instrument, but fitted with a three-magnet generator No. 486 which will ring satisfactorily through the 300 ohm bell of the instrument and a line resistance of 15,000 ohms. Weight 9.30 lbs. Price £3 4s. No. 318. Similar to No. 316, but fitted with battery box to accommodate two cells No. 591 or 972, and a hand micro-telephone No. 530 with cord No. 2061. Weight 10.40 lbs. Price £3 8s. No. 319. Similar to No. 317, but fitted with battery box to accommodate two cells No. 591 or 972, and a hand micro-telephone No. 530 with cord No. 2061. Weight 10.8o lbs. Price £3 12s. |
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Last revised: September 30, 2019FM2 |
