作業工具 (2) - ストップウォッチ2個セット

Two mechanical timers from the 1940s–1950s in steel, chrome and wood: the first is a 10‑minute interval timer by Smiths English Clock Systems (United Kingdom) and the second a desk chronometer on a wooden base by Campdera (Spain); both are in excellent condition and fully functional, measuring 12 × 12 × 4 cm with a total weight of 950 g.