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Inventory no. 47160 - Former Display Label

English ARTILLERIST'S GUNNERY SCALE
c.1700

Ivory, with silver cursor. Signed "I Rowley Fecit"; undated.

There are scales of elevation and distance for mortars, and the quantity of powder needed (from 13 oz. for a 6-inch mortar, to 31 lb. 4 oz. for a 20-inch mortar), together with scales marked,

"Height of Pieces ...
Powder for Proof ...
Powder for Service ...
Weight of Shott ...
Long Guns"

[Orrery Collection, no. 45(b)]
Lent by Christ Church.

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