Gunnery, 2 works by Euler and Gray, in good contemporary bindings

GUNNERY, ENGLISH

Two works, comprising:

i. Gray, John. A treatise of gunnery. London: printed for William Innys, 1731, FIRST EDITION, 8vo (196 x 120mm.), one folding engraved plate, engraved and woodcut diagrams, advertisement leaf at end, contemporary calf gilt, bookplate of The Hon^ble Mrs Lionel Damer, [ESTC T120182]

ii. Euler, Leonhard. The true principles of gunnery investigated and explained. Comprehending translations of Professor Euler’s observations upon the new Principles of gunnery, published by... Benjamin Robins... to which are added... explanations and remarks, together with tables... by Hugh Brown. London: printed for J. Nourse, 1777, FIRST EDITION THUS, 4to (260 x 195mm.), 5 folding engraved plates, one folding printed table, contemporary calf gilt, the spine decorated with figures (Mars and Minerva?), Stanhope family bookplate, [ESTC T99890], blank corner of title restored (presumably former owner's name excised), short split in lower joint