London. Alexander Hogg. No date. Ca. 1780s.
Pair of copper-plate engravings, plate area 15 x 8 3/4 inches on sheet size 16 1/4 x 10 inches. With accompanying text sheets. Light toning and foxing to outer margins (mainly outside plate marks); very good condition. Plates 102 depicts a bomb, a caliber compass, boring of cannon etc. Figure 103 depicts a Howitz, petard, quadrant, a searcher, petard etc. There are four pages of text "A Systematical Treatise on the Art of Gunnery." Item #49599