Collection of plans of Philippsburg About 13 copper engravings showing plans of the siege of Philippsburg. "Plan of the area of Philippsburg together with the siege of the same, which ended from May 25th to July 18th, given to the day book by Homann Erben". Old coloured 18th century, published by Homann Erben. "Plan of the R. fortress Philipsburg together with the enemy siege ... 1734". Old coloured, published by Homann Erben. As well as other various copper engravings. Partly slightly damaged. Please inspect for yourself.