http://surveyhistory.org/how_old_is_my_gurley1.htm WebThis is a W. & L. E. Gurley Surveyor Transit. This item is a used early W. & L. E. Gurley surveyor transit (serial number 610248) in excellent condition. All knobs, levels, …
Transits & Theodolites - Gurley Transit - Trout Underground
WebA few examples of appraisal values forGURLEY SURVEYORS TRANSIT. Search our price guide for your own treasures. Phelps & Gurley Surveyor's Transit: Phelps Phelps & Gurley Surveyor's Transit: Phelps & Gurley Surveyor's Transit, c. 1850, 6-1/2-in. engraved silvered dial marked "Phelps & Gurley/West Troy, Phelps & Gurley … WebInstrument History - Gurley - By Serial Numbers. Gurley did not place serial numbers on instruments until 1908. Gurley's numbering convention was this: for 1908 and 1909, they single digit year comes first (8 or a 9), and the instrument number comes next (eg, 8451 would be the 451st instrument made in 1908). rai play alex and co
Gurley Solar Transit – Surveying & Geomatics - Surveyor Connect
WebEVOLUTION OF THE TRANSIT. by Dale R. Beeks. Of the varying types of surveying instruments available to collectors today, American transit instruments seem to be the most abundant. ... Examples were claimed to have been manufactured by the firm of W. & L. E. Gurley of Troy, New York, as early as 1875. Very few examples exist today. WebThe best way to date Gurley instruments made before 1908 is to buy Brain Aregood's 2011 book "The Complete Guide to Early W. & L. E. Gurley Transits". This is a MUST-HAVE book if you want to collect Transits, … WebThe Gurley enterprise was established in 1845, first as the partnership of Phelps & Gurley and in 1852 as W. & L. E. Gurley. ... Teledyne Corporation purchased W. & L. E. Gurley … outsider shoes