m1903 refurb

[old tanker]

NSN; 8030-00-934-3520 A composition formulated for filling the engraved graduations, numerals, letters and figures of scales or the like, to make them more visible.

Came in a variety of colors. Used to fill the graduations on gunner's quadrants, rulers, scales, sights, etc, all to increase legibility. Here are commercial products use for the same purpose.

In tank units the turret mechanic and the armorer generally had white, black and red stashed in their tool box, often to the dismay of priggish supply officers

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[browningautorifle]

Came in a variety of colors. Used to fill the graduations on gunner's quadrants, rulers, scales, sights, etc, all to increase legibility.

So...you guys DID use it in service during the mid '60/'70s? In some applications?

[old tanker]

So...you guys DID use it in service during the mid '60/'70s? In some applications?

Used to fill in the lines and graduations on this M1 gunner's quadrant, as one example. Boresight knobs on tank periscopes for another.

[browningautorifle]

gunner's quadrant, as one example

Makes sense. That evidence, or rather testimony puts to rest the stories that the military never used those marking color crayons.