SIEVERT Hermann - Handbook for watchmakers for theoretical examinations for apprentices, journeymen and masters with the addition of...

SIEVERT Hermann - Handbook for watchmakers for theoretical examinations for apprentices, journeymen and masters with the addition of 289 questions and answers [...] and a treatise on types of time, tables of wheel and cog sizes in pocket watches [...], cylinder capture and pendulum length [...]. Translation [...] according to [...] original German. With 193 figures in the text and 5 plates. Bydgoszcz 1939. Nakł. Publishing Committee at the Guild of Watchmakers, Goldsmiths and Opticians. 8, pp. XI, [1], 528, plates ff. 5. oryg. fawn.
Bindings slightly stained, minor stains inside, otherwise good condition. Cont. chapters: introductory works, On clocks in general, Pendulum clocks, Pocket clocks, Bracelet clocks, Electrical engineering and electric clocks. Rare.