Smoke or signal tube 55 mm

Hi,

smoke/signalisation [?] tube for ID. Made in PL or before 1918.

Steel tube with base plate (“12211” marking) with lead load - for maintaining the vertical position.
Upper ebonite disc with 6x holes /dia. 6 mm/, and hole for fuze dia. 12,7 mm.

steel tube: 405 mm
full L: 412 mm
dia. 55,5 mm

for scale 40x311r

greetings,
PM

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