Micrometer by Troughton and Simms, used by the 1874 Dutch expedition on Reunion

Object notes   Associations

The director of the Leiden Observatory, Frederik Kaiser, bought this micrometer after Airy in 1858. The micrometer was lent to the 1874 expedition to Reunion.

Troughton & Simms, London, 1858

Museum Boerhaave V6132

Related Objects

• Achromatic refractor telescope by Utzschneider und Fraunhofer, used for the 1874 transit on Reunion by a Dutch expedition
• Plate measuring machine by Repsold & Sohne, used for the 1874 Dutch expedition at Reunion
• Heliometer by G & S Merz, used in the 1874 Dutch expedition on Reunion
• Heliotrope used by the 1874 Dutch expedition on Reunion
• Heliotrope for the 1874 Dutch expedition on Reunion
• Heliotrope from the Leiden Observatory for the 1874 Dutch expedition to Reunion
• Astronomical pendulum by Utzschneider und Fraunhofer, used by the 1874 Dutch expedition on Reunion
• Venus transit model by W. Boosman, used for the 1874 Dutch expedition to Reunion

Source

Object contributed by Museum Boerhaave