PFEIFFER, JOHANNES ANDREAS |
Germany, fl.1717-47, MIM |
Universal Ring Sundial = OXF; Combination Drawing Compass No. 4, 1742 = Koller, 1972 = P.C. = Christie 4/3/85; Graphometer, 1747 = Huelsmann Coll. |
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Coburg. |
Evans 1; Gunther 2; Michel 3; Syndram; RSW. |
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