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Cambridge Instruments Mirror Galvanometer No.L-391980, H22cm Condition Report Click here for further images, condition, auction times & delive...
Mid 20th century A/C meter Model S.81, No. R62245, with cream dial in Bakelite case, Certified 1950, W29cm Condition Report Click here for fu...
H. Tinsley & Co. Type 4789 grey metal cased Galvanometer No. 85586, H30cm Condition Report Click here for further images, condition, auction t...
Cambridge Portable Potentiometer, No. 373097, in case, W45cm Condition Report Click here for further images, condition, auction times & deliv...
Cambridge Instruments High Sensitivity Galvanometer, No. L-155439, mahogany cased with brass fittings, H34cm Condition Report Click here for f...
Machlett ED-4 X-Ray tube on wooden stand, L23cm Condition Report Click here for further images, condition, auction times & delivery costs
Micro-Microfarads mahogany cased Capacitor Tester No203 stamped H.W. Sullivan & Co. W22cm H8cm Condition Report Click here for further images,...
Large Condenser Lens, in metal case, D22.5cm Condition Report Click here for further images, condition, auction times & delivery costs
Skybolt 25-80 x 50mm astronomical refracting telescope with tripod, boxed Condition Report Click here for further images, condition, auction t...
Brass monocular microscope by J H Steward, 406 Strand, London, on cast iron stand, No.357, with two objectives, in mahogany case, H36cm Conditi...
Fuller`s spiral slide rule calculator, with gilt brass marker and mahogany handle, by John Davis & Sons (Derby) Ltd, in case, L43cm Condition Re...
T Cooke & Sons Ltd of London, York & Cape Town brass and black japanned theodolite No. 16054 in fitted matching numbered mahogany case with access...
Early C20th century brass monocular microscope with manual focus by J E Winspear of Hull, No.
Early C20th century brass monocular microscope with manual focus by J E Winspear of Hull, No. 132, on circular base, H28cm Condition Report Cl...
Troughton & Simms London japanned metal & brass level, with rack & pinion focus and compass in fitted mahogany box No. A 2035, Repaired & adjusted...
Late 20th century Casella, London, chrome Hygrometer with glass tubes and integral clockwind, No.
Late 20th century Casella, London, chrome Hygrometer with glass tubes and integral clockwind, No.S0061, in fitted case, W47cm Condition Report ...
Early 20th century brass monocular microscope with rack & pinion focus, stamped J Lizars, Glasgow & London 374, with two additional Lietz objectiv...
20th century Russian Biological Simplified monocular Microscope, black & grey metal with rack & pinion focusing, in metal case with two additional...
Cambridge Portable Potentiometer No.
Cambridge Portable Potentiometer No. L335799, black in mahogany case, with Calibration certificate dated 1980, W45cm Condition Report Click he...
Black monocular microscope by Prior London No. 17372, with additional lens in fitted case, H32cm & a box of Chance microsope glass slides Condit...
Late 19th century black enamel and brass folding base binocular microscope, by R & J Beck London,
Late 19th century black enamel and brass folding base binocular microscope, by R & J Beck London, London & Philadelphia, No. 8216, in fitted mahog...
Early 20th century brass monocular microscope with rack & pinion adjust, adjustable column on cast horseshoe base. Provenance: Joost Slingerland C...
Early 20th century brass Insectoscope and a brass pocket microscope, H5cm (2). Provenance: Joost Slingerland Collection Condition Report Click...
Small Victorian ivory hand held viewer with Stanhope lens, L5cm. Provenance: Joost Slingerland Collection Condition Report Click here for furt...
Early 19th century Cary/Gould-type lacquered brass portable case mounted compound microscope with
Early 19th century Cary/Gould-type lacquered brass portable case mounted compound microscope with rack and pinion stage adjustment mounting onto a...
Early 19th century Cary/Gould-type lacquered brass portable folding compound botanical microscope
Early 19th century Cary/Gould-type lacquered brass portable folding compound botanical microscope with rack and pinion stage adjustment hinge mou...
Early 19th century lacquered brass portable botanical microscope with slide stage adjustment and
Early 19th century lacquered brass portable botanical microscope with slide stage adjustment and oval base in fitted a leather covered box contain...
Late 19th century brass pocket compass and cover, green paper dial inscribed 'Elliott Bros Strand,
Late 19th century brass pocket compass and cover, green paper dial inscribed 'Elliott Bros Strand, London' and with hinged sight, D7.5cm. Provena...
Early 20th century brass pocket compass with hinged cover by Watson, & Son High Holborn, and two brass pocke compasses with snap on covers, D5cm m...
20th century wooden cased travelling compass with silvered dial W8cm & a mahogany cased travelling
20th century wooden cased travelling compass with silvered dial W8cm & a mahogany cased travelling folding thermometer, L13cm (2). Provenance: Joo...
20th century brass survey compass with silvered ring, lid stamped Cooke, Troughton & Simms Ltd.
20th century brass survey compass with silvered ring, lid stamped Cooke, Troughton & Simms Ltd. York, D11cm in mahogany case, WITH TRIPOD STAND, P...
Large 20th century wooden cased compass with silvered dial, pointer marked N & S, case W16cm.
Large 20th century wooden cased compass with silvered dial, pointer marked N & S, case W16cm. Provenance: Joost Slingerland Collection Conditio...
A 19th century equinoctial compass sundial, the circular silvered dial engraved with seven World cities, with inset compass well, mounted with an ...
19th century brass & mahogany Surveyors Vernier Compass with folding sight vanes, silvered dial inscribed Abraham & Co.Glasgow, W14cm, D10.5cm H9...
Early 20th century French mahogany, boxwood & brass Compass Clinometer, paper dial printed "Systeme du COLONEL PEIGNE", hinged cover with instruct...
Early 20th century brass cased compass, paper dial printed Bradford, 136 Minories, London, D8cm.
Early 20th century brass cased compass, paper dial printed Bradford, 136 Minories, London, D8cm. Provenance: Joost Slingerland Collection Condi...
Early 20th century cast iron & brass monocular combination field microscope,by W. Watson & Sons, 313 High Holborn London No. 24212 in fitted mahog...
Sikes Hydrometer by D C Haley & Co.
Sikes Hydrometer by D C Haley & Co. in fitted mahogany case and a pair of French chrome and snakeskin effect binoculars in leather case (2)
Early 20th century brass & steel Proportional compass, L6.5cm and a similar steel compass, L7cm both in leather cases (2). Provenance: Joost Sling...
Set of early 20th century brass & steel dividers, L18cm two other similar pairs, a folding pair and a later curved pair (5). Provenance: Joost Sli...
Celestron Firstscope 90 EQ celestial telescope with K20 eyepiece, on tripod stand, with instructions Condition Report Click here for further i...
19th century Dollond of London brass two draw astronomical telescope No. 10300, with rack & pinion adjust on folding part iron tripod stand, in fi...
Early 20th century brass & mahogany six draw pocket telescope, engraved 'Spinelli Freres Opticians',
Early 20th century brass & mahogany six draw pocket telescope, engraved 'Spinelli Freres Opticians',with end cap, L46cm max. Provenance: Joost Sli...
Early 20th century brass & mahogany three draw pocket telescope, engraved 'G Dixey London',
Early 20th century brass & mahogany three draw pocket telescope, engraved 'G Dixey London', with end cap, L37cm max. Provenance: Joost Slingerland...
20th century brass & leather three draw pocket telescope, engraved 'Falcon 22X, Newbould & Bulford Ltd, London, Made in England', with end cap, L4...
Two 20th century brass & leather three draw pocket telescopes, with end cap, L41cm max (2).
Two 20th century brass & leather three draw pocket telescopes, with end cap, L41cm max (2). Provenance: Joost Slingerland Collection Condition R...
Early 20th century brass & leather three draw telescope, with end cap, L74cm max. Provenance: Joost Slingerland Collection Condition Report Cl...
Early 20th century brass & canvas single draw telescope, with rope detail, L91cm max. Provenance: Joost Slingerland Collection Condition Report ...
19th century brass & leather single draw telescope, with end cap, on wooden stand, L76cm max.
19th century brass & leather single draw telescope, with end cap, on wooden stand, L76cm max. Provenance: Joost Slingerland Collection Condition...
19th century brass & leather single draw telescope, with end cap, L82cm max. Provenance: Joost Slingerland Collection Condition Report Click h...
20th century mahogany and brass two draw day or night telescope, insrcribed Wilson, London,
20th century mahogany and brass two draw day or night telescope, insrcribed Wilson, London, day or night, with mounting bracket, L82cm open, 37cm ...
Late Victorian three draw brass & mahogany telescope, L84 extended, 30cm closed and a single drawer brass & mahogany telescope, L50cm extended (2)...
Late 20th century 'Victorian Marine' brass four draw telescope, with end cap, L51cm max Condition Report Click here for further images, condit...
Late 18th century maritime single draw telescope by J Gilbert of Tower Hill, London, faceted mahogany outer case, compressed length 96cm Conditi...
Sestrel Compass No. 8966 in gimbal case, D13.5cm Condition Report Click here for further images, condition, auction times & delivery costs
Aircraft type P8 compass, No. 64750H. A.M. Ref No. 6A/0726, Examined June 1943, in grey painted stencilled box with canvas handle, D11.5cm Cond...
Hand held Bearing compass, Type 06A, stamped with Broad Arrow & No.37143H, 6B/1248, in grey painted stencilled box, H24cm Condition Report Cli...
Mid-20th century Husun sextant by Henry Hughes and Son Ltd, the black crackled frame with brass and silvered arc, in fitted wooden box with certif...
Late 19th century brass Graphometer, probably French, potractor engraved 0° - 180, the inset compass with silvered scale, on ball on socket clamp,...
Large late 19th century alcohol thermometer with silvered scale on oak mount, H62cm. Provenance: Joost Slingerland Collection Condition Report ...
Brass & japanned Anemometer, dial inscribed Air Meter to 100000 Feet, by Griffin & George, No.
Brass & japanned Anemometer, dial inscribed Air Meter to 100000 Feet, by Griffin & George, No. L1083, in leather case with screw-in bracket attach...
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