ANTIQUE YARN TESTER BY JAMES H HEAL, HALIFAX - SUPERB CONDITION - WORKING S. This superb device comprises a polished mahogany base surmounted by brass and aluminium fittings. All moving parts do so freely and the winding mechanism performs as it was designed to.
The worm drive can be disengaged for zeroing by depressing the spring-loaded plunger at the rear. The curved brass scale is calibrated in 1/10ths of an inch.
This item is quite rare and although it could be used for it's intended purpose, it would also make a fine display piece. This item is in the category "Antiques\Science/Medicine\Scientific Instruments". The seller is "chemistry63hg" and is located in this country: GB.This item can be shipped to United Kingdom.