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FINE ROBERT BANCKS MICROSCOPE

ACCESSORIES: SPRUNG STAGE, 6 NUMBERED OBJECTIVES ALL WITH LENS., STAGE FORCEPS, STAGE BULLS-EYE, FISH PLATE, LIEBERKUHN IN CAN & LIEBERKUHN CARRIER, LIVE BOX, WET SLIDE, TALC BOX FULL OF BRASS RINGS & MICA DISCS, TWEEZERS, GLASS TUBES, GLASS DISC & SLIDERS. ORIGINAL GOLD LACQUER VERY GOOD, THE ACCESSORIES ARE MINT. Contact Email:  [email protected] IVORY EXEMPTION NUMBER DWDE5DYX Read More...

IRISH SEXTANT BELFAST

SHIPPING BY UPS, FEDEX, ETC. FULLY TRACKED.  Contact Email:   [email protected] Read More...

A large and early Weiss Liston-amputation knife

A large and early  (15″ or 37.50 cm) Weiss Liston-amputation knife with back sharpened last two inches. It is signed  both on checkered ebony handle and blade with name and 62 The Strand address. One side of handle has stable hairline. Blade is bright with no evidence of rust or corrosion. Read More...

STANLEY SEMI-ELLIPTICAL TRAMMEL

SHIPPING BY FEDEX, UPS, DHL, ETC. FULLY TRACKED.  Contact Email:  [email protected] Read More...

~FINE GEORGIAN CIRCUMFERENTOR-TROUGHTON~

20 cm. diameter with 12 cm. silvered compass and 10 cm. sighting vanes, this surveying instrument is signed “Troughton, London” in flowing script. Compass dial divided into 360 degrees on the outer ring and further divided into four 90 degree quadrants. Unusual features include a RED compass needle (still points North), round knurled compass lock knob and a wonderful butterfly nut below for the pole staff. Outer ring fully divided in 1/2 degree increments for the full 360 degrees Read More...

Stevenson on Illuminating Lighthouses, First Edition, 1835.

First edition of Alan Stevenson’s 1835 book, Report to the Committee of the Commissioners of Northern Lights, Appointed to take into consideration the subject of Illuminating the Lighthouses by Means of Lenses. Edinburgh: printed by Neill and Company, MDCCCXXXV. The book contains six plates drawn by Allan Stevenson when he was in Paris at the office of M. Fresnel, drawn by Steveson, he copied them from Fresnel’s original in 1834, as denoted to the foot of five of the plates. In Read More...

~PRISTINE MINING ANEMOMETER IN ORIGINAL BOX~

Signed “Negretti and Zambra, No.997”, this air flow miner’s meter (anemometer) has seen zero use. Signed and serialised with trade and inspection label to the lid of the mahogany box, it retains ALL of it’s original orange lacquer, 5 subsiduary dials (from hundreds to hundreds of thousands of feet per minute), works flawlessly, needle lock, aluminum vanes (expensive at the time), with post mount which screws into the base. Dial measures 2 1/2 inches, vane surround is 3 1/2 Read More...

1950’s Whirling spychrometer Casella London    

A 1950’s Caella London Whirling psychrometer, also known as a sling psychrometer, for measuring humidity, designed by J. J. Griffin & Son Ltd. and made to B.S.2842 by Casella, London, UK, 1950-1953. Contains wet and dry bulb thermometers. Whirling or sling psychrometers are types of hygrometers for measuring air humidity. They contain two thermometers, one of which has a bulb kept wet with a cloth soaked in distilled water. The device is whirled rapidly in the air, and the difference Read More...

~GOOD UNSIGNED GREGORIAN TELESCOPE c.1800~

A well used but not abused 2 1/2 inch diameter, brass Gregorian reflecting telescope c.1800. Early roping of the brass, circular knurled nuts to the body tube, pivoting and rotating stem terminating in folding cabriolet legs with post screw for the field. Overall length (including eyepiece) is 18 inches and it stands 14 inches tall. Barrel has one small dent 1/2 inch from the end. Excellent primary and secondary speculum metal mirrors. Good optics with focussing by short worm Read More...

~FINE LEAN’S DIAL OF LARGE PROPORTIONS AND RARE SIGNATURE~

Standing 15 inches tall on three numbered conical feet, this instrument is very unusual in construction and signature. 5 inch (6 inches with bezel) silvered compass signed “Newton, late Willm. Wilton, St. Day, Cornwall”, engine divided into four 90 degree quadrants, and again in complete 360 degree ring with vernier reading to 3″ seconds (scale 0-60) of arc. 8 cardinal points and original cover. Compass dial is perfect-no oxidation. Underside rack and pinion for full rotation and sliding locking bar Read More...

Anesthesia: C1950s Trilene Inhaler

The Anesthesia Museum describes the apparatus we are offering as an “…Emotril Automatic Trichlorethylene [aka: Trilene] Inhaler by M.I.E Ltd in original metal carrying case. Complete with tubing and mask, Circa 1950. Designed by Hans Epstein in 1949, the Emotril was developed to provide safe and convenient analgesic pain relief during labour. It could ether be self administered or under the supervision of a midwife at home or hospital births.” According to the London Science Museum site:”  Trilene was Read More...

~FINEST 6 INCH GEARED CIRCULAR PROTRACTOR-SCHMALCALDER~

A rare opportunity to own the finest 6 inch doubly geared 360 degree circular protractor with magnifier, in keyhole (clam shell) shaped flame mahogany case measuring 7 x 7 x 1 inch. Signed in flowing script “Schmalcalder 82 Strand London” All original bright golden lacquer, this instrument is not only unique, it is a 200 year old time capsule. Silvered scale (oxidised with time) with vernier, plotting wings with steel springs and pins, bronze center with cross hairs etched in Read More...