Original French WWI Ordnance Drawings by Jo. Tibesar - Set of 31 No Return Imagine the young pilot

Imagine the young pilot

and everything is vintage except the nickel plating

Complete with black tail ribbon

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

whose numerous design advantages led to the development of the Type 97

Original French WWI Ordnance Drawings by Jo. Tibesar - Set of 31 No Return Imagine the young pilotOriginal 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