Lot 291 - A 19th century brass and lacquered sextant.

Sold for £140

Lot 292 - A Watkin's patent clinometer by J Hicks, Hatton Garden.

Sold for £50

Lot 293 - A 19th century mahogany barometer/thermometer by Cetti & Co. of London.

Estimated at £30 - £50

Lot 294 - A WWII Admiralty pattern Inspectors clinometer.

Sold for £30

Lot 295 - A brass pocket sextant by W & S Jones London.

Sold for £35

Lot 296 - A collection of five compasses.

Sold for £150

Lot 297 - A WW I era lacquered brass compass by C P Goerz Berlin.

Sold for £80

Lot 298 - A 19th century brass gimbal mounted pocket compass.

Sold for £200

Lot 299 - A mahogany and brass bound telescopic surveyor's staff.

Sold for £45

Lot 300 - A brass pocket sextant by Stanley London.

Sold for £220

Lot 301 - A late Victorian rosewood cased barograph.

Sold for £60

Lot 302 - A WWII oak cased Air Force compass.

Sold for £45

Lot 303 - A late 19th century gilt brass pocket aneroid barometer.

Sold for £220

Lot 304 - A military brass parallel rolling rule.

Sold for £30

Lot 305 - A lacquered brass clinometer by T Cooke & Sons.

Sold for £90

Lot 306 - A WWI brass trench periscope by R & J Beck.

Sold for £80

Lot 307 - A pair of WW II era 7x50 binoculars by Ernst Leitz

Sold for £60

Lot 308 - An early 19th century gilt brass compass with enamel dial and blue steel needle.

Sold for £80

Lot 309 - A brass pocket compensated aneroid barometer by T.A.R.S & W Ltd.

Sold for £120

Lot 310 - An WWI era black lacquered marching compass 'The Magnapole'

Sold for £35

Lot 311 - A 19th century travel compass with printed card dial in a square oak case.

Sold for £420

Lot 312 - A Lilley & son prismatic Azimuth mirror.

Sold for £35

Lot 313 - A trough compass, in a bakelite case.

Sold for £40

Lot 314 - A 19th century gilt brass compass by Troughton & Simms London.

Sold for £280