LAUN, H. VAN, EN ZOON |
Holland, fl.1802-15, MIM PHIM |
Planetariums = Leiden Sternewacht, Zutphen Museum, LEY; Horizon Ring and Stand = TEY; Electrometer = UTR. |
probably Hartog van Laun and his son Abraham van Laun. |
Amsterdam. |
Mörzer Bruyns 2; Zinner 1. |
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