Rotterdam / Paris / Sappho / The Hague / Munich / Amsterdam / Hamburg / Aberdeen / New York / Victoria / Berlin / Cambridge / London / /
Company
C.A. Steinheil and Sons / O. Toepfer / H. smith & co / B. Pfälzer / Instruments Papers / University Library / B.L. Vogels / Leiden Observatory / C.H.D. / C. Zeiss / A. Lumière & sons / Pistor / A. Clark & Sons / Clark & sons / Reinfelder / A. Repsold & sons / /
Country
Netherlands / Belgium / /
Event
Diplomatic Relations / M&A / Business Partnership / /
Facility
Leiden University Library / University Buildings / Delft University of Technology Introduction This / Leiden University / Observatory building / Museum Boerhaave / University Library / Delft University of Technology / Bosscha observatory / Naval Observatory / tower Correspondence / Observatory Instruments / /
Netherlands Geodetic Committee / Delft University of Technology / Navy / Interior Ministry / International Geodetic Association / Ministry of Colonies / Leiden University / Ministry of Finance / Royal Academy of Sciences / International Geodetic and Geophysical Union / Ministry of Water Works / Navy Ministry / Royal Astronomical Society / Ministry of the Interior Correspondence / /
Person
Kaiser Letter / V.S.M. van der Willigen / J. Van Oerle / Kaiser Maunder Mouchez Newcomb Nyren / Clinton / J.A.C. Oudemans / Sande Bakhuyzen Archive / Jan Oort / E.F. van de Sande Bakhuyzen / Chandler Copeland Cuypers / N. Wildeboer / E.A.B. Mouchez / P.J.H. Cuypers / G. Schlegel / J. van Lokhorst / G.B. Airy / Julius van de Sande Bakhuyzen / Annalen Band V / VI / E.F. (Ernst) van de Sande Bakhuyzen / H.J.H. Groneman / H. Olland / Hendrik Gerard van de Sande Bakhuyzen / van der Willigen (Haarlem) / F.J. Stamkart / David Baneke / Van de Sande Bakhuyzen / Washington Correspondence / / /