Telegraph Apparatus by Siemens & Halske
- Sold for:
- Clocks, Watches & Scientific Instruments - 2345
- Date / Time :
- July 29, 2006 10:00AM
Telegraph Apparatus by Siemens & Halske, Berlin, No. 1018, with lacquered-brass fittings, engraved setting circle, three-tuning peg resistance bridge, four numbered keys, and central cylindrical glass-enclosed needle, on polished mahogany base with three leveling screws, ht. 8 in., in the original cylindrical leather-covered case.
Note: Telegraph line testing apparatus for in-line use between key and long-distance cables, to test faze angle, resistance and continuity.