VERY RARE CORNISH MINING THEODOLITE/DIAL BY LETCHER
£1200 GBP
VERY GOOD EXAMPLE OF JOHN TEAGUE LETCHER'S MINERS DIAL/THEODOLITE SIGNED: LETCHER'S DIAL. MANUFACTURED BY J T LETCHER. TRURO CORNWALL. THE SILVERED 6" INCH COMPASS BOX HAS 360 DEGREE OUTER CIRCLE & INNER CIRCLE OF 4 X 90 DEGREE QUADRANTS, INTERNAL VERNIERS READING TO 1' MINUTE OF ARC. IT HAS 3 EYE-PIECES TWO SHORT GIVING A INVERTED IMAGE & A LONG EYE-PIECE GIVING AN ERECT IMAGE, CROSS HAIRS INTACT. ADJUSTMENT PIN & THREE POINTS FOR A BREAK-LEG TRIPOD.
Circa
1878
Country of manufacture
UK and Ireland
Description
JOHN TEAGUE LETCHER B 1851. D 1917 HE INVENTED HIS THEODOLITE & DIAL IN 1876. THIS EXAMPLE IS THE ONLY ONE I’VE SEEN IN FIFTY YEARS. LETCHER & HIS OLDER BROTHER THOMAS HENRY LETCHER RECEIVED A SILVER MEDAL FROM THE SOCIETY OF ARTS FOR THERE QUITE FAMOUS BLOWPIPE SETS.
BOX 16.3/8″ x 9.1/4″ x 9″ INCHES.
SHIPPING BY FEDEX, UPS, PARCEL FORCE, ETC. FULLY TRACKED. Contact Email: michaelreado6p@gmail.com
Ask the Dealer
Dealer information
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. Over the years I have acquired many rare and wonderful items for the trade and collectors alike. I hope this continues. Mike Read. Email: michaelread060@gmail.com
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