GENERAL INSTRUMENTS
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Sykes's Hydrometer, cased with plaque "Loftus 146 Oxford St. London" together with a Sike's (sic) Hydrometer, cased with partially overwritten plaque "57 Hatton Gardens, London" (2) £50 - 70
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Victorian Mahogany Cased Opticians Set in two layer box with numerous lenses, two pairs of test spectacles and coloured filters 16x13.5x5", 41x34x13cm £70 - 100
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An Unmarked Brass Theodolite on circular mount with perpendicular spirit levels, cased, together with a heavy brass level (cased) (2) £100 - 150
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Troughton & Sims Large Brass Callipers with Vernier scales (for inside and outside measurement) 60", 153cm long £100 - 150
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Thomas Armstrong & Brother (Manchester) Barograph No. 1588 with 16 thin vacuum sections, clockwork mechanism and internal thermometer, in glazed case with bevelled glass and draw for additional charts £400 - 600
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Casella Barograph together with an M&W Micrometer (boxed) a precision balance and a single pan scale (4) £100 - 150
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C W Dixey & Son (London) Barograph with brass drum having fixed key clockwork mechanism, eight vacuum sections, brass frame and base with ink bottle in holder, in glazed case with bevelled glass and drawer for additional graphs £300 - 400
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19th Century Barograph with eight part vacuum section, brass pivots and supports, in oak case with bevelled glazing and single draw containing numerous used seven day pressure charts £150 - 200
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Negretti and Zambra (London) Barograph No.35373 with brass drum having clockwork mechanism, nine vacuum sections, brass internal frame and plaque, in glazed case £300 - 400
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Telescopic Abney Level with Broad Arrow mark, in leather case stamped "PIC MkV 1944"; a Stewart Compass Clinometer, a cased Trough compass and a Charles Frank Sighting Instrument (4) £70 - 100
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Waltham (Massachusetts) 19th Century Pocket Watch in brass mining case with glass window together with Apothecary Scales in brass with glass pans (2) £70 - 100
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Troughton & Simms (London) Cartographical Protractor brass with single arm having Vernier scale and engraved with manufacturers name 6.5",16.5cm diameter £80 - 120
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Micrometers: Outside - Moore & Wright 0 to 1" (0.0001), Starrett 1 to 2" (0.0001), 2 to 3" (0.0001), 3 to 4" (0.0001) and Moore & Wright 4 to 5" (0.0001) (all cased in Excellent condition) a Mitutoyo metric micrometer 0 to 25mm (0.010) (cased, used) and a GKN Shardlow Imperial inside micrometer (cased) (7) £100 - 150
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Russell (London) Barograph, Limited Edition 1982 with nine section vacuum and illustration of lowering pressure with height above sea level, numbered 34 of 1000 £200 - 300
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Laboratory Cabinet with eleven spaces for test tube storage and two drawers below £30 - 50
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Ericsson N1853T Portable Telephone in wooden box, these telephones were used for temporary stations or line testing, together with a 18266 Portabler phone with leather carry case (2) £80 - 120
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Mixed Instruments, including a Chapman & Hunter brass Pitchometer, cased, a John Christie brass engine indicator in wooden box, Adie & Son brass barometer, surveyors cross staff head, pressure gauge, anemometer etc £100 - 200
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Campbell-Stokes Early Sunshine Recorder constructed in brass with vertical sphere holder (the sphere is unclamped) and 4" glass sphere, mounted on wooden base £500 - 700
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Adding Machine an early example with no makers mark (lacking outer casing, in original wooden box) £70 - 100
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Swedish Perpetual Calendar brass rectangular box with rounded ends and hinged lid, having tables necessary to calculate the day of the week and "RUNSTAFWEN FÖRSWENSKAD 1787" stamped proud of the casing 5", 13cm long £100 - 200
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Thomas Street (London) Theodolite late 19th Century, in brass with complex mounting in original makers case with remains of label £200 - 300
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Two Early 20th Century Theodolite Tripods £70 - 100
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Ericsson A Pair Of Type N1834 Mining Magneto Telephones and a reel of cable (G-F, wooden cases scuffed) (3) £40 - 60
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Ever Ready A Pair Of Signalling Lamps constructed in wood with brass fittings, bullseye lens with brass surround and Morse key to tops, both have a removable rear panel to allow access to battery box 5.25x7x4.75", 13x18x12cm (generally Good, but one has damage to side caused by damp) (2) £100 - 150
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Ships Binnacle Compass Patt.0183 in brass case numbered 19792 with box to side containing oil lamp burner £150 - 200
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Francis Searchlight Type M/L4/47 with brass case and mount 11", 28cm diameter with Swan generator in wooden crate £150 - 200
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Brass Cased Ship's Clock with Roman numeral dial, key wind on face and slow-fast adjuster 6", 15cm diameter face £80 - 120
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Various Engineering Related Items including Horsfall's Incline Spirit Level (with slope gauge) (cased), O&G Ltd Birmingham 'The Acme', Everay Voilet Ray set with various shaped discharge tubes (cased) a pair of Elongation and Reduction In area gauges (cased), four Cole Marchent & Morley engine builder aluminium plaques, two cut-throat razors, various slide rules and conversion tables, emergency stop button and a few other items including a Voigtlander camera £100 - 150
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A Hilger & Watts Grey Enamelled Surveying Level, in original metal case £40 - 60
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Philips Challenge Globe 13.5" Diameter (1:37,440,000 scale) 1930's, with aluminium support, mahogany base with inset compass (Good) £80 - 120
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Protector Lamp & Lighting Company Miners Safety Lamp together with a Baby Wolf Lamp (both highly polished) and a set of PifCo Fairylights (showing wear, box Fair to Good) (3) £70 - 100
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Spusk Factory (USSR) Two Day Marine Chronometer 02598 with 4", 10cm dial, brass cased on gimbal mount, in inner glazed case (with plaque 'Marine Chronometer 8916-77') within an outer case £300 - 500
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Hilger & Watts 20sec Microptic Theodolite in original steel case £80 - 120
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Four Telegraph Instruments including a morse transmitter and receiver, a set of brass scales and a collection of books relating to electricity and scales (qty) £70 - 100
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Smallwood Calculating Machine with seven 10-digit discs and sloped mahogany back £80 - 120
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Elliott Speed Indicator no.16228 with chromed case in fitted case with adapter and two tools £150 - 200
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Elliott Speed Indicator no.11571 with chromed case in fitted case with two tools £150 - 200
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Evershed & Vignoles Standard Resistance No. 396 large block on Manganin alloy (86% Copper, 12% Manganese, 2% Nickel) 29.75x2x2", 75x5x5cm with copper electrical connectors at both ends, drill holes and marking to top and side, mounted on wooden base with makers plate and clip on cover with plaque "Standard" £80 - 120
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Various Glass Solids a collection of assorted regular and irregular solids including two cubes (different sizes), two hemispheres (same size), sphere, two spheres with flat sides (different sizes), rhombicuboctahedron, pyramid (damage to tip), octagonal prism, quarter truncated cube (has small crack), cube with bevelled edges, obelisk, cube with one concave face and a tetradecahedron (3 hexagons and 12 triangles) (15) £80 - 120
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Jaw Opener, 19th Century of wooden construction with conical screw thread and handle 5", 13cm £60 - 80
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Surveyors Cross Staff Compass on brass octagonal viewing mount, in wooden box; The Hymans Pocket Rangefinder, F Barker Simplex Rang Finder (cased), Stanley Inclinometer; a Hensoldt field microscope and various brass microscope parts £100 - 150
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Various Cased Instruments including Surgeons Field Set, Beam scales, Lighning table, Naval Surgeons Set by William Durroch, Scapels, Field medical set, a brass enema pump with accessories and a large syringe set by Allen & Hanbury £100 - 150
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Various Instruments including two scalpel sets, chemical samples in wooden box, three wooden arm splints, a copper still and two other items £70 - 100
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Various Electrical Instruments including a Newton Induction Coil no. 508N, a Record AC/DC Volt/Ammeter, Western Volt-Ammeter and a few small items £70 - 100
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National Time Recorders Clocking In Clock in lacquered metal case with ink stamp to top, a Blick Time Recorder in leather case and a Sanrose Toy Sewing Machine (3) £70 - 100
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Radio Valves a collection of numerous types (mostly small) including ZM1175, PCF801, CV2218, QV05-25 and others, many boxed (over 200) £80 - 120
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Edwardian Brass Yacht Foghorn with cylindrical pump and conical vertically mounted horn 27", 69cm high £60 - 80
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Maris (Osaka, Tokyo) An Interesting Mathematical Geometric Volume/Area Set consisting of of sixteen mostly wooden solids and flat pieces used to demonstrate to students how volumes and areas of various shapes can be calculated from (and/or relate to) others, most are in individually number boxes and the set comes with an instruction sheet in Japanese £70 - 100
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Various Scientific Instruments including two military boxwood sighting levels, inclinometer, compass, rules and others (qty) £80 - 120
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W F Stanley Theodolite black lacquered with twin levels and three point mounting in original wooden box with label number 24086 (as engraved on the instrument) and with later repair label dated 28/10/46 £80 - 120
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