30 × Inert .303 British Rounds Fitted to 30‑Round Hotchkiss Magazine Strip Trench Art this precision stopwatch was used

this precision stopwatch was used in conjunction with ASDIC (an early form of sonar) to detect and track enemy submarines

" marking its origin from the well-known Thomas & Williams company

It remains a testament to the ingenuity and resilience of wartime aviation technology

ensuring a true historical piece

30 × Inert .303 British Rounds Fitted to 30‑Round Hotchkiss Magazine Strip Trench Art this precision stopwatch was usedThis impressive display set features 30 inert . 303 British rounds professionally fitted to an original 30round Hotchkiss magazine strip, as used with British Hotchkiss machine guns. Each round is fully deactivated and UKlegal, making the set safe for collectors, reenactors, and historians. The metal feed strip remains in solid condition, showing the robust design typical of earlymid 20thcentury British ordnance. Ideal for display, reference, or