An unsigned Ramsden library telescope.

An unsigned Ramsden library telescope.

£850

Circa

1780

Country of manufacture

UK and Ireland

Categories: Telescopes, Telescopes - Refracting

Description

An 18th century table mounted telescope standing 19″ high (48 cms) with a length of 36″ closed and 40″ fully extended with a main lens of 2.25″ (56mm). It is fitted with an early pancratic eyepiece with variable powers between 30 – 40 x. The image is fine and clear when viewing, the lenses undamaged.

This is identical to a signed Ramsden telescope sold on this site a couple of years ago, and is the same one shown in the book, ‘Old Telescopes’ by R.G. Cheetham, page 47.

The rack and pinion gear is identical and unique to the way that Ramdsen made them.

A copy of Reg Cheethams book is included with the telescope.

 

I do not always receive enquiries due to difficulties with  my server so please feel free to contact me directly: compasschris@yahoo.co.uk

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