Lot 511 - Gloria Clifton; 1996 Directory of British Scientific Instrument Makers 1550-1851.

Sold for £20

Lot 512 - A brass sextant.

Sold for £100

Lot 513 - A WW I era brass and leather bound three draw telescope by Brockhurst Clarkson & Co Ltd

Sold for £80

Lot 514 - A Kelvin Hughes gimble compass with azimuth circle.

Estimated at £50 - £80

Lot 515 - A George III mahogany and inlaid wheel barometer.

Sold for £35

Lot 516 - A George III mahogany wheel barometer.

Sold for £35

Lot 517 - A mid century Fortin barometer with gimbal mount.

Sold for £220

Lot 518 - A 19th century mahogany bachelor shaving mirror.

Sold for £110

Lot 519 - A French rouge marble and black slate mantel clock.

Estimated at £50 - £80

Lot 520 - A French four-glass gilt metal mantel clock.

Estimated at £400 - £600

Lot 521 - A 19th century rosewood and mother of pearl inlaid wall clock.

Estimated at £50 - £80

Lot 522 - A Toulet Imperator pigeon racing clock.

Estimated at £40 - £60

Lot 523 - A brass The Synchrome Co Ltd clock.

Estimated at £30 - £50

Lot 524 - A Black Forest cuckoo wall clock.

Estimated at £80 - £120

Lot 525 - A French carriage timepiece

Sold for £35

Lot 526 - A French bronze and gilt metal mantel clock.

Estimated at £200 - £300

Lot 527 - A French ormolu mantel clock by Jacques Caffieiri

Sold for £480

Lot 527A - A French four-glass mantel clock.

Sold for £90

Lot 528 - A French carriage alarm clock.

Sold for £60

Lot 529 - A Chinoiserie lacquer small longcase or 'Grandmother' clock.

Sold for £150

Lot 530 - An American ornate rosewood and inlaid wall clock.

Sold for £60

Lot 531 - A Smiths brass ship's bulkhead clock.

Estimated at £50 - £80

Lot 532 - A laminated wooden propeller mantle clock.

Sold for £70

Lot 533 - An 18th century eight-day oak longcase clock by Robt Holborn, South Cave (Yorkshire).

Sold for £250