Clavis Astronomiae sive Astronomiae pars physica

Petro Horrebowio (Peder Nielsen Horrebow), Havniae [Copenhagen], Joh. Nicolaum Lossium, 1730 - bound together with: Copernicus triumphans, sive de parallaxi orbis annue. Tractatus Epistolaris, ad Celsisimum & Serenisimum. Havniae, Sumptibus authoris. (12), 112, (12=index); (2), 58,(2) pp. With 2 folding plates. 4to, in vellum. Lovely copy.