MINING THEODOLITE OR DAVIS DIAL

MINING THEODOLITE OR DAVIS DIAL

£580 GBP

GOOD COMPLETE EXAMPLE OF JOHN DAVIS'S IMPROVEMENT OF THE HEDLEY DIAL WITH 4.1/2" SILVERED DIAL WITH INTERNAL SPIRIT LEVELS, EXTERNAL VERNIER READING TO 3 MINUTES OF ARC. EAST & WEST TRANSPOSED. CAN BE USED AS A MINING DIAL OR ADD THE 'Y' MOUNTS & TELESCOPE TO THEODOLITE MODE. SIGNED: JOHN DAVIS & SON. DERBY. MOUNTED ON A 4 SCREW HOFFMAN MOUNT. ORIGINAL BOX 13.1/2" x 9.1/2" x 7" INCHES.

Circa

1870

Country of manufacture

UK and Ireland

Category: Surveying Instruments & Mining

Description

SHIPPING BY FEDEX, UPS, DHL, ETC. FULLY TRACKED.  Contact Email:  [email protected]

Ask the Dealer

Item enquiry

To enquire about this item, complete the form bellow to send a message to the Dealer

Enter Email
Confirm Email
Sending

Dealer information

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. Over the years I have acquired many rare and wonderful items for the trade and collectors alike. I hope this continues. Mike Read. Email: [email protected]

Shipping information
Payment methods