Lot 525 - A Swedish brass mounted and grey lacquered...

Sold for £70

Lot 526 - A Hilger & Watts mercury filled plumb bob,...

Sold for £300

Lot 527 - A Townson & Mercer Calorimeter or fuel tester,...

Sold for £420

Lot 528 - A lacquered brass level by Watson & Son 313...

Sold for £100

Lot 529 - A Troughton & Sims 19th century brass...

Sold for £220

Lot 530 - A bearing compass, by E R Watts, with black...

Sold for £350

Lot 531 - A 19th century lacquered brass rolling rule,...

Sold for £320

Lot 532 - A brass and black lacquered pantograph, by...

Sold for £60

Lot 533 - A surveyor's theodolite, by Hilger & Watts, No...

Sold for £190

Lot 534 - A surveyor's brass mounted plane table...

Sold for £110

Lot 535 - A brass patent miner's dial, by J Casartelli &...

Sold for £320

Lot 536 - A Stanley brass and black lacquered...

Sold for £220

Lot 537 - An interesting Cornish brass quadrant from a...

Sold for £420

Lot 538 - A 19th century mahogany cased travelling or...

Sold for £80

Lot 539 - A late George III mahogany cased traveling...

Sold for £320

Lot 540 - A mid 19th century mahogany cased travel...

Sold for £70

Lot 541 - A German Third Reich marching compass, by CLK,...

Sold for £60

Lot 542 - A small pocket compass, mid 19th century, with...

Sold for £70

Lot 543 - A late 19th century brass circular pocket...

Sold for £250

Lot 544 - A late Victorian gilt compass, by Negretti &...

Sold for £140

Lot 545 - A late Victorian brass pocket compass,...

Sold for £160

Lot 546 - A Japanese World War II pilot's or officer's...

Sold for £80

Lot 547 - A late Victorian brass drum travel pocket...

Sold for £150

Lot 548 - A lacquered brass cased pocket compass, by...

Sold for £50