T. Harris & Son brass telescope - circa 1825

An exceptional brass 3-draw achromatic day-night telescope with partial mahogany body.  the telescope is signed on the eyepiece draw, "T. Harris & Son,  London, Improved, Day or Night".  Thomas Harris and his son William worked together in London from 1802 until about 1851, which helps us to date this instrument to circa 1825.  The telescope measures 37 when fully extended, and a compact 11 3/4" when closed.  The main lens is about 2 1/4 in diameter. Half of the front tube is mahogany in excellent condition and with a sliding dust shield and ray shield.  The optical system is excellent, delivering a sharp image of good contrast.  The telescope comes in its original leather case, which is in exceptional condition considering the age.  The instrument is finished in lacquered brass and polished brass on the sliding areas.  The original lacquer is intact, in excellent condition, noting typical age spotting.  This is a very well preserved, complete, and impressive instrument in overall excellent condition..

Item 5053....................$1250

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