Large telescope and tripod – Armstrong, Manchester.
£550
Circa
1920
Country of manufacture
UK and Ireland
Description
A large brass telescope on a collapsable tripod which has variable height fixings. Signed on the back collar, ‘Armstrong, Manchester’. The company worked from the mis 19th century until taken over in 1968 by Dollond & Aitchison.
Thomas Armstrong was the main optician to the Royal Eye Hospital in Manchester.
The main lens has a diameter of 3 inches giving a sharp image with a magnification of 44 x. The length to focus is 53″ (134 cm).
In very good condition throughout noting a small dent underneath one of the locking screws (not noticable). There is no case.
