Cross-sections of 2 mortars

12th of 38 engravings of artillery weapons, etc., from Fronsperger; cross-sections of 2 upright mortars, showing shell inside. 12th of 38 engravings of artillery weapons, etc., from Fronsperger; cross-sections of 2 upright mortars, showing shell inside. Folio; most engravings yellowed or trimmed close. Leichtenstein-Hauslab Collection, 1951. title provided by cataloger