Original French WWI Ordnance Drawings by Jo. Tibesar - Set of 31 No Return and everything is vintage except

and everything is vintage except the nickel plating

10 second stopwatch made by Elgin in the 1940s for the war effort

It was the family seat of the LEITH family up until 1945 when the last family member Mrs Henrietta Leith-Hay who remained in residence until her death in 1963 gifted it to The National Trust

these became known as "KELVIN'S BALLS” in the Royal Navy but in the U

thickness 11

Original French WWI Ordnance Drawings by Jo. Tibesar - Set of 31 No Return and everything is vintage exceptOriginal Item: This is a collection of thirty one original, hand drawn engineering drawings of various ordnance items, from torpedoes to magnetic mines to artillery projectiles and a large sectional drawing of the Belgian M1889 Mauser infantry rifle. The drawings were all drawn and signed by Jo. Tibesar and are labeled in both French and Dutch. Several are one in color. Each one is drawn on lightweight vellum, the typical mechanical drawing material