FOUR INCH EQUATORIAL TELESCOPE BY SIR HOWARD GRUBB

FOUR INCH EQUATORIAL TELESCOPE BY SIR HOWARD GRUBB

£9,900 GBP

VERY GOOD IRISH ASTRONOMICAL TELESCOPE BY THE FAMOUS GRUBB MAKERS. SIGNED GRUBB DUBLIN ON THE MOUNT.VERY INTERESTING IRISH TELESCOPE WITH UNUSUAL GEARED STAND RAISING & LOWERING ON THREE GEARED WORMS BY GEARBOX & CRANKING HANDLE. THE EQUATORIAL MOUNT HAS A 360 DEGREE CIRCLE IN FOUR 90 DEGREE QUADRANTS WITH TWO VERNIERS READING TO ONE MINUTE OF ARC. ALSO A 24 HOUR CHAPER RING DIVIDED IN 5 MINUTE DIVISIONS WITH READER & SLOW MOTION BY GEARING & ROD WITH UNIVERSAL/HOOKE JOINT. THE TELESCOPE COMES WITH ONE TERRESTRIAL & FOUR CELESTIAL EYE-PIECES. BOX 62" x 12" x 9.1/2"inches TELESCOPE WITH SPOTTER SCOPE. MAIN BARREL 46" inches. OPTICS VERY GOOD. Contact Email: m.jread@btinternet.com

Circa

1880

Country of manufacture

UK and Ireland

Categories: Telescopes, Telescopes - Refracting

Description

VERY INTERESTING IRISH TELESCOPE WITH UNUSUAL GEARED STAND RAISING & LOWERING ON THREE GEARED WORMS BY GEARBOX & CRANKING HANDLE. THE EQUATORIAL MOUNT HAS A 360 DEGREE CIRCLE IN FOUR 90 DEGREE QUADRANTS WITH TWO VERNIERS READING TO ONE MINUTE OF ARC. ALSO A 24 HOUR CHAPER RING DIVIDED IN 5 MINUTE DIVISIONS WITH READER & SLOW MOTION BY GEARING &  ROD WITH UNIVERSAL/HOOKE JOINT. THE TELESCOPE COMES WITH ONE TERRESTRIAL & FOUR CELESTIAL EYE-PIECES. BOX 62″ x 12″ x 9.1/2″inches TELESCOPE WITH SPOTTER SCOPE. MAIN BARREL 46″ inches. OPTICS VERY GOOD. Contact Email: m.jread@btinternet.com

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GB MikeRead

Mike Read Antique Sciences

Based in Lelant, near St Ives, Cornwall, I have been trading since 1979, buying and selling scientific instruments and nautical antiques. I have exhibited at the London Scientific Fair for 20 years. Over the years I have acquired many rare and wonderful items for the trade and collectors alike. I hope this continues. Mike Read. Email: m.jread@btinternet.com.

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