Achromatic refractor telescope by Utzschneider und Fraunhofer, used for the 1874 transit on Reunion by a Dutch expedition
The telescope was bought by Bernard Stoop. He gave it to the former director of the Leiden Observatory, Frederik Kaiser, to watch Halley's comet in 1835. The heirs of Stoop lent this refractor to the ...
Astronomical pendulum by Utzschneider und Fraunhofer, used by the 1874 Dutch expedition on Reunion
The director Frederik Kaiser of The Leiden Observatory bought this pendulum clock in 1838. It has a compensated pendulum after Mahler. The clock was lent to the 1874 Dutch expedition to Reunion.
Heliometer by Utzschneider & Fraunhofer, used by Auwers for the 1874 transit and by Schrader and Clauss for the 1882 transit
Sign.: Utzschneider und Fraunhofer Benedictbeuern
According to signature constructed before 1819.
L: 600mm; B: 600mm; H: 1500mm
Given to the Deutsches Museum in ...