Webster Signature Database - Suggest Correction

Signature Maker Instruments Comments Location References
KEULEN, JOHANNES VAN 1 Holland, 1654-1715, MIM NIM Planetaria = LEY (2); Cross-staves = AMST (1700), HAM (1701), School of Navigation, Altona (1701), P.C. (1702), UTR; Bearing Compass = AMST; Astrolabe, paper (in book) = BAR; Roemer's Jovilabe and Saturnilabe = lost. planetaria made to Huygens' design; cross-staves signed either "I.v.K." or "J.v.K."; associated with Jacob Robijn in 1679; also made clocks. Amsterdam (1682); The Hague. Mörzer Bruyns 1 and 2; Daumas 1; Rooseboom 1; H.C. King 2.

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