Pocket telescope

The barrel and four draw tubes of this non-achromatic telescope are made of vellum. The barrel and collars of the draw tubes have a marbled background and are decorated with gold-tooled motifs. The objective lens is set in a turned wooden mount, but it appears that the screw-on lens cap is missing.

The telescope is believed to be a companion to NAV1490 and may have belonged to Rev. Ralph Taylor, who went into exile with King James II (reigned 1685-88) and later lived in Rotterdam in the Netherlands.

Object Details

ID: NAV1491
Collection: Astronomical and navigational instruments
Type: Pocket telescope
Display location: Not on display
Creator: Unknown
Date made: circa 1690
Credit: National Maritime Museum, Greenwich, London
Measurements: Length: 213 mm (closed), 681 mm (open, to stop lines, max); Diameter: 40 mm (barrel), 43 (max)
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