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Pyrotechnia. Engraving. Frontispiece to 'Pyrotechnia or, A discourse of artificiall fire-works: in which the true grounds of that art are plainly and perspicuously laid downe ... Whereunto is annexed a short treatise of geometrie, etc.' by John Gunner Babington, London: printed by Thomas Harper, for Ralph Mab, 1635.
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