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18TH CENTURY MONOCULAIR OF SHAGREEN LEATHER & VELLUM

Monocular made out of black ivory, cardboard, wood, vellum and shagreen leather.
The retractable tube is made of cardboard finished with green vellum.
The vellum is beautifully tooled and has a silver coloured floral motive on all sides.
Nice big spyglass, with smooth body of green shagreen leather.
Frames of black ivory, complete with ivory object and ocular lid.
Object lens: 4 cm (1.6 inches) across
Length closed: 10 cm (4 inches)
Length opened: 16.5 cm (6.5 inches)
The style is typical of a mid-18th century English telescope.
Very fine quality, full of colour and completely smooth.
Good optics.

SOLD

CARDBOARD AND VELLUM TELESCOPE, CA 1760

A mid-18th century telescope made of cardboard, paper, vellum, horn and wood.
The body is made of cardboard fitted with brown paper.
The cardboard tube parts are fitted with marbled yellow-brown vellum and provided with stop lines.
The lenses on this telescope are achromatic.
The frames on the tube parts as well as the objective and eyepiece are made from horn.
The telescope comes with nice lens caps made from rosewood.
Complete with all lenses.
Object lens across 2.5 cm (1 inch)
Optimal working length opened 89 cm (35 inches)
Length closed 33 cm (13 inches)
Good working optics.

SOLD 

18TH CENTURY CARDBOARD & VELLUM VENITIAN TELESCOPE

Telescope consisting of four parts.
The first tube part is made of cardboard with colourful orange paper.
This orange tube has 18th century decorations of floral patterns.
The three retractable tube parts are made of cardboard with cream-coloured vellum.
On the tube parts stop lines are applied to mark the optimum working length: closed 24 cm (9.5 inches), opened 66 cm (26 inches).

The telescope is equipped with horn frames and a sealable brass eyepiece.
The object tube is 1.5 inches in diameter and can be closed with a brass lid.

Made around 1760 by Leonardo Semitecolo of Venice.
Signed on the largest tube in an oval tablet: Leonardo Semitecolo.
Nice clear optics, comes complete with all lenses.
A very fine telescope of excellent quality.
Hardly any traces of wear.

SOLD

18th Century Octagonal Tapered Mahogany Telescope Signed H. Pyefinch London

An impressive, mahogany ship’s telescope made by Henry Pyefinch.
This type of telescope was made from long strips of mahogany, the trapezium shape ensured its firmness.
These trapezium shaped telescopes were manufactured from 1740 until the end of the 18th century.
The telescope was made around 1760, Pyefinch then had its quarters in Cornhill Street in London.
The telescope has a sealable copper objective to protect it from seawater.
Nice quality, hardly any traces of use.
Length 94 cm, 37 inches. 

SOLD