Brass Heliometer. Made by John & Peter Dollond of London, ca 1758, and shipped to Harvard by Joseph Mico in 1765.
Heliometer by G & S Merz, used in the 1874 Dutch expedition on Reunion
The financers of the Dutch expedition for the 1874 transit on Reunion bought this heliometer especially for this occassion. After the expedition the heliometer was donated to the Leiden Observatory wh...
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 ...
The Yale Heliometer manufactured by Repsold in 1882 for viewing Transit of Venus in December 1882.
The Yale heliometer arrived from the Repsold workshop in May 1882 just in time for the December transit of Venus. The heliometer was installed in the west tower of the newly built Winchester Observato...