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Title: Ivory gunners' rule [Go to resource]
Description: Ivory gunner's rule, four-fold, with 24 inch scale and tables of artillery information License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: ready reckoners (artillery) Temporal: 1800-1850 Source: Science Museum Identifier: http://collectionsonline.nmsi.ac.uk/grab... Go to resource More Like this...
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