Lot 501 - A lacquered brass surveyors level, late 19th...

Sold for £150

Lot 502 - A German surveyor's cross head, late 19th...

Sold for £450

Lot 503 - A rare Connolly standard compass, by E.R.Watts,...

Sold for £600

Lot 504 - A Hilger & Watts surveyors level, mid 20th...

Sold for £120

Lot 505 - A Tecnostyl portable tabletop draughtsman's...

Sold for £130

Lot 506 - A Chesterman brass mounted surveyors chain,...

Sold for £40

Lot 507 - A cased planimeter, with Vernier adjustment,...

Sold for £40

Lot 508 - A surveyor's brass rolling rule by Hall...

Sold for £30

Lot 509 - A lacquered brass surveyor's rolling rule, by...

Sold for £35

Lot 510 - A rare Henderson's patent rapid traverser...

Sold for £2,200

Lot 511 - A Stuart's marine distance meter, No 933, by H...

Sold for £180

Lot 512 - A pair of WWII brass and steel proportional...

Sold for £150

Lot 513 - Three surveyors brass protracters, each...

Sold for £50

Lot 514 - A surveyors brass protractor, stamped Hall...

Sold for £150

Lot 515 - A mining surveyor's 10" brass protractor, by...

Sold for £300

Lot 516 - A Brass Abney level and clinometer by Cooke &...

Sold for £90

Lot 517 - A late Victorian gilt brass compensated pocket...

Sold for £70

Lot 518 - A surveyor's aluminium pocket transit compass...

Sold for £220

Lot 519 - A Geologist's compass by Breithaupt, Kassel,...

Sold for £130

Lot 520 - A surveyor's brass mounted folding tripod,...

Sold for £80

Lot 521 - A Cooke, Troughton & Sims theodolite, numbered...

Sold for £110

Lot 522 - A brass miner's dial, 19th century, the...

Sold for £420

Lot 523 - A surveyor's portable tripod, in leather case,...

Sold for £220

Lot 524 - A surveyor's lacquered brass level by Elliott...

Sold for £170