London Fine Antiques has dated this piece to the 18th Century.
A super example of an 18th century refractor
Perfectly good to use today presenting a good clear image

Supplied with an London Fine oak and brass 'Captain's Stand' for display
Decagonal, gently tapered walnut barrel
Brass mounts and single draw tube in good order
Bulbous eye cup with sliding dust cover
One and a quarter inch objective glass

Built in sliding protective dust cover
Focused by varying the length of the draw tube
A very fine example and a handsome instrument, great for everyday use or display.
Dimensions:
Max Drawn Length: 112cm (44'')

Closed Length: 96cm (37.75'')
Objective Glass Diameter: 3cm (1.25'')
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Our Ref: 18.5055
London Fine Antiques has dated this piece to the 18th Century.
Fine antiques curated in england and sold worldwide
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