Portable telescope

The barrel of this non-achromatic terrestrial telescope is covered in a dyed rayskin. while the four draw tubes are made of green vellum decorated with gold-tooled motifs. The brass fittings include a sliding eyepiece and objective lens covers.

The maker's name appears on the smallest draw tube as 'STERROP LONDON', probably referring to George Sterrop, who worked in St Paul's Churchyard in London in the 1740s. Stop lines, shown as rings of dots drawn onto the draw tubes, indicate the working length of the telescope.

Object Details

ID: NAV1514
Collection: Astronomical and navigational instruments
Type: Portable telescope
Display location: Not on display
Creator: Sterrop, George
Date made: circa 1740
Credit: National Maritime Museum, Greenwich, London, Caird Collection
Measurements: Overall: 310 mm x 45 mm
Parts: Portable telescope
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