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A KEW-PATTERN MARINE BAROMETER BY NEGRETTI & ZAMBRA, LONDON, with black-painted main tube, silvered thermometer, signed as per title to left of main scale, gimbal mount for wall securing -- 36in. (91.5cm.) high

Negretti & Zambra liquid gauge signed on a feet per second silvered scale, within an oak glazed case, 13" wide

Negretti & Zambra. A brass aneroid pocket weather foreteller or Weather Watch, with a silvered dial marked 28 - 31 and DIRECTION OF WIND, central rotating dial via crown within suspension loop, marked 500FT - 0 - 500FT and three pierced aperture for FALL, STEADY and RISE, inscribed PATENT 6276/15, R/872, monogram and NEGRETTI & ZAMBRA, rotating top and base bezels, the side marked ALTITUDE IN FEET, the base engraved 26 alphabet sectors describing a weather forecast, 2in (5cm) dia, in fitted leather case with ivorene sector chart.

A pair of Negretti & Zambra binoculars, dated 1898, within a leather case, together with four various desk seals and sundry collectors` items.

A set of twelve Negretti & Zambra colour tinted albumen prints of the Great Exhibition and a walnut cased optical viewer, together with a Rotary Photographic Co pocket rotoscope with stereoscopic photographic cards.

A VICTORIAN OAK FISHERY OR SEA COAST BAROMETER BY NEGRETTI & ZAMBRA No 460, supplied to the Hon East India Company, with transfer printed white earthenware lunette of royal arms and ADMIRAL FITZROY`S STORM BAROMETER, large bore tube, register plates, ivory vernier, detachable brass knob and Fahrenheit thermometer, in arched case with bevelled glass lights secured by brass screws and moulded square cistern cover, frosted glass inset back, brass fixing plate top and bottom, 106cm h, signed NEGRETTI & ZAMBRA INSTRUMENT MAKER`S TO HER MAJESTY 1 HATTON GARDEN EC 122 REGENT ST W and 59 CORNHILL EC LONDON, the thermometer with 11 HATTON GARDEN and [59 and 68] CORNHILL addresses and numbered (70-659), stamped HEIC bale mark and 9 on back (in three places), pre 1874 In fine complete original condition, not restored or repolished

A 19th Century brass pocket barometer, the silvered dial inscribed `Negretti & Zambra, London, 25333`, with original leather case.

An early 20th Century plated and leather bound single drawer telescope inscribed `Negretti & Zambra, London`, fitted with a sun shade, together with a wood stand.

A late 19th Century mahogany cased barograph by Negretti & Zambra, with lacquered brass mechanism and clockwork recording drum, beneath a bevelled five-glass cover, the base fitted with a single drawer containing charts, on bun feet, length approx 37cm.

A Victorian rosewood large mercury wheel barometer with timepiece. Negretti and Zambra, London, late 19th century. The 12 inch circular rosette-centred silvered register calibrated in barometric inches and with the usual observations, the centre signed NEGRETTI & ZAMBRA, Ins’t Makers to her Majesty, London, with blued steel and brass recording pointers within bevel glazed cast brass bezel, beneath timepiece with eight day movement the backplate with vertical monometallic balance and stamped 1934, the 5.5 inch circular silvered Arabic numeral dial with blued steel spade hands and bevel glazed cast brass bezel, the trunk with rectangular mercury Fahrenheit and Centigrade scale thermometer beneath hygrometer to the swan neck pediment, the square base with foliate engraved spirit level, (case with some losses) 128cm (50.5ins) high. The firm of Negretti & Zambra are recorded in Edwin, Banfield BAROMETER MAKERS & RETAILERS 1680-1860 as being established in 1850 when a partnership betwee??n Enrico Negretti and Joseph Warren Zambra was formed. The firm became one of the most prolific makers of fine quality weather instruments and continued trading well into the 20th century.

A Negretti & Zambra timepiece

An R.A.F. portable precision aneroid barometer, by Negretti & Zambra, with calibration certificate submitted by H.M.S. Hermes

A rosewood effect barometer, the dial signed "Negretti & Zambra"

A pair of Edwardian Negretti & Zambra opera glasses in leather case (little used), to/w a Swedish Kosta Unika blue striped studio vase on raised tapering stem, 12 cm (2)

A circular brass pocket sextant by Negretti & Zambra, London 2 inch vernier arm and lens, silvered scale marked to 140 degrees, mirror and two shades, signed as per title, in leather case.

An early 20th Century barometer by Negretti & Zambra, London the drum of seven atmospheres, pen adjustor, ink holder and silvered thermometer in an oak glazed case, inset ivorine plaque, 18cm x 32cm x 14.5cm.

Negretti & Zambra, London a large and impressive carved oak Gothic barometer, with historic figures mounted within the canted corners either side of the silvered barometer dial and seated lions below, with a further figure of an angel standing below the dial, a thermometer set within the trunk, signed ‘Negretti & Zambra, Scientific Instrument Makers to Her Majesty’, height 158cm.* Negretti & Zambra, a partnership formed by Enrico Negretti and Joseph Zambra, are recorded as working at various addresses in London from 1850 and were the most prolific makers of barometers at this time having taken over the business of the leading maker John Frederick Newman in 1862. They were instrument-makers to Queen Victoria and the Prince Consort.

An early 20th Century mahogany and brass cased barometer, the circular silvered dial inscribed `Negretti & Zambra, London No R/1821`, the circular case surmounted with a break arch panel applied with a lion`s mask, the back applied with ivory plaque inscribed `Wood From H.M.S. Empress`, height approx 41.5cm.

A late 19th Century Negretti & Zambra brass pocket compensated barometer and compass combination terminating in pendant loop and contained within a red leather case, diameter 4.5cm.

A Negretti & Zambra circular barometer in carved oak `acorn` case, dial inscribed London no.5274 - diam 27cm

A pair of Negretti & Zambra binoculars, `The Folding Minim`, 5.5 magnification, in leather case.

"Negretti & Zambra thermometer, brass and wood spirit level"

A First World War 2 inch Signalling Telescope Mk.III by Negretti & Zambra, the brass three draw tube stamped TEL.SIG.(MkIII) ALSO G.S. NEGRETTI & ZAMBRA, LONDON, 1915, No.9962, with anti flare hood, leather sleeve, lens covers, cased additional objective and strap, together with a Parker Hale tripod

A PAIR OF OPERA GLASSES with crocodile skin mounts and gilt decoration, by Negretti & Zambra of London, with lenses by Carl Zeiss of Jena, in original box, together with a further pair of gilt opera glasses

A Victorian walnut stick barometer, by Negretti & Zambra, London, with two adjustable vernier scales for yesterday and today, with mercury thermometer and turned cistern cover. Height 38 ins.

Negretti & Zambra compass, with a brass case and silvered dial, 8cm wide

"Negretti & Zambra desk top barometer Readings & Forecast display, ivorine front, and a R.M.S. Queen Mary Bakelite ashtray"

A Victorian carved oak wheel barometer, in the Gothic style, mounted with a porcelain barometer, bearing the name Casella, maker to the Admiralty, London, the silver dial bearing the name Negretti & Zambra of London and numbered 10263, 100cm high.

A Victorian rosewood mercury stick barometer, Negretti and Zambra, London, late 19th century, the arched ivory vernier scale calibrated in barometric inches and with the usual observations opposing a Fahrenheit scale alcohol thermometer beneath signature NEGRETTI & ZAMBRA, LOMDON to arch, the slender trunk with exposed tube above domed cistern cover and level adjustment screw to the shield-shaped base, 91cm high

A mahogany barograph, Negretti & Zambra, London, 20th century, with eight segment aneroid chamber, lacquered armature operating inked pointer for the clockwork driven paper-scale lined rotating drum, beneath five panel bevel-glazed cover, on ogee moulded base with chart drawer to apron and squab feet, 37.5cm wide. Provenance: Private Collection, London

NEGRETTI & ZAMBRA A SIGHTING COMPASS having all over gun metal finish, internal filters, in original leather pouch

A Negretti & Zambra Pocket Barometer with subsidiary "Fall" and "Rise" dials, and alphabetical code engraved to back, and in case, 2in wide

A Negretti & Zambra compensated pocket barometer, with numbered dial 10.167 in engine turned case and with travel case.

An early 20th century mahogany barograph by Negretti & Zambra, London of small proportions, the movement and register under a five glass rectangular case on a single drawer base and short bracket feet, 27cm wide, 17cm high, 19cm deep WE DO NOT STATE CONDTION IN THE ABOVE DESCRIPTION – Before bidding please ensure you are satisfied with the condition of this lot – For details of condition please contact the auctioneer.

A Negretti & Zambra Lacquered Brass Patent Weather Forecaster, circa 1915, patent no.6276, comprising three revolving discs, with brass hanging ring and black enamelled easel back, diameter 12cm, in a cloth bag

A large late Victorian gauge, the dial labelled `Goodbrand & Co., Manchester`, 135cm high, a large cased gauge, signed Negretti & Zambra, various amp meters, cased spirit level, cased thermometers, two Engine Indicators: a Joseph Casartelli and Dobie & MacInnes model, and a slide rule etc.

A Victorian silver cased pocket barometer by Negretti & Zambra, London, numbered 5907, with silver dial and blued steel pointer, the case having milled edges and engine turned back, with medallion centre engraving SO1878, silver mark for London 1871.

An unusual hygometer comprising a double thermometer, marked wet and dry, on German silver base by NEGRETTI & ZAMBRA Holborn Viaduct London c/w stand etc in orig lined and fitted case G++

Negretti & Zambra, a Victorian cased travelling instrument set comprising a gilt-brass pocket barometer with silvered dial, conforming compass and ivory thermometer.

An Admiral Fitzroy`s Storm Stick Barometer, signed Negretti & Zambra, Instrument Makers to Her Majesty, Holborn Viaduct, EC 122, Regent St W & 59 Cornhill EC London, circa 1870, the oak case with arched top, concealed large mercury tube, twin vernier ceramic dial signed, thermometer box, 104cm high see illustration

A Mahogany Stick Barometer, signed Negretti & Zambra, 1 Hatton Garden, 59 Cornhill, 122 Regent Street & 153 Fleet Street London, circa 1880, with arched top, concealed mercury tube, double vernier ivory scale signed, thermometer box, turned cistern cover, 92cm high see illustration

Marine brass wall clock by Negretti & Zambra, London, diameter 8", and matching aneroid barometer

A gilt metal cased pocket barometer, the circular silvered dial inscribed `Negretti & Zambra London 20519`, with the original leather case.

AN ENGLISH GILT BRASS POCKET ANEROID BAROMETER FORECASTER BY NEGRETTI & ZAMBRA the silvered dial with rotating centre and three apertures, signed NEGRETTI & ZAMBRA PATENT 6276/15, and with trade mark, the band engraved with a scale of ALTITUDE IN FEET from 0 to 3000, the back with alphabet `key` from A for SETTLED FINE to Z for STORMY MUCH RAIN and with milled rotating bezels, 5.5cm diam, plush lined maroon morocco case, c1910 ++In fine original condition, the case in reasonably good condition with damage at the push piece and slightly scuffed, the instrument untestedq

A ENGLISH BRASS COMPOUND BINOCULAR MICROSCOPE BY NEGRETTI & ZAMBRA signed on the Y shaped foot NEGRETTI & ZAMBRA LONDON with incurved stage with stage mounted condenser, substage mirror, rackwork focusing with fine adjustment, objective lens and eyepieces, 38cm h, on later turned mahogany base with glass dome, late 19th c ++Repolished. The rackwork wobbly

Brass cased circular compensated barometer by Negretti & Zambra, No.25180, having a silvered calibrated dial and brass suspension ring, 12.25cm diameter, cased

A brass Fortin pattern mercury laboratory stick barometer. Negretti and Zambra, London, late 19th century. The instrument with suspension ring above cylindrical glazed silvered vernier scale calibrated in barometric inches and signed NEGRETTI & ZAMBRA, Scientific Instrument Makers, LONDON to left hand border and numbered 2918 above lower collar, the slender cylindrical shaft with vernier adjustment screw and applied mercury Fahrenheit scale thermometer, the base with part-glazed cylindrical cistern and adjustment screw to base, mounted via a brass upper hook and a bottom collar with three locating screws onto a rectangular moulded oak panel for wall mounting, the instrument 102cm high, 117cm (46ins) high overall. The firm of Negretti and Zambra are recorded in Banfield, Edwin BAROMETER MAKERS AND RETAILERS 1660-1900 as being established in 1850 when a partnership between Enrico Negretti and Joseph Zambra was formed. The firm became one of the most prolific makers of scientific instruments and continued trading well into the 20th century.

Nineteenth century aneroid barometer with eight inch silvered dial, brass bezel and separate thermometer in a carved oak case, by Negretti & Zambra, 88cm overallFurther images and condition reports are available at www.reemandansie.com

A Negretti & Zambra triple-ring oxidised brass sextant, stamped NEGRETTI & ZAMBRA LONDON/ CASA OTTO HESS/ M.P.O.L. 110, in a fitted box

A JH Steward three drawer telescope, and a pair of Negretti & Zambra binoculars, and a gun cleaning kit

A Negretti & Zambra 19th century walnut cased stereoscopic table top slide viewer, turned baluster column with circular base, height 15½"; a collection of slides, boxed

A Victorian mahogany cased barometer/thermometer, with foliate carved and C-scroll cresting over a thermometer and circular dial inscribed "Negretti & Zambra"

An oak cased aneroid barograph, Negretti & Zambra, London, mid 20th century, with ten segment aneroid chamber connected via lacquered brass armature to an inked pointer for recording barometric pressure variation onto the paper scale lined clockwork rotating drum, the baseplate signed NEGRETTI & ZAMBRA, LONDON under oak framed five glass cover, on moulded base and squab feet, 35cm (14.75ins) wide

An early 20th Century Stained Oak Cased Barograph, Negretti & Zambra – London, the seven section bellows to a lacquered brass indicator arm mechanism, and 8 day spring driven barrel with applied paper label and ink bottle, to a stained oak rectangular case with lift off five panel glazed cover, each with bevelled glass, to a fitted drawer to the base, and raised on short bracket feet, width 14 ¾”

A Cased Negretti & Zambra Dual Thermometer, with crank handle and body set with two identical mercury thermometers, one fitted with a cotton sock to the reservoir in a leather fitted case, length 10 ¼”

A Mahogany Inlaid Stick Barometer, signed Negretti & Zambra, London, circa 1880, with broken arched pediment and barber`s pole inlay, exposed mercury tube, signed silvered single vernier dial, thermometer tube, turned cistern cover, 98cm high

* Radio Receivers - Military, Maritime and GPO. A collection of Broadcasting & Receiving equipment, c. 1920s-1960s, including Evershed Vignoles ÒMeggerÓ Testing Set, Field-type Telephone sets (cased) type AD 1542 (x2), RCA Victor Wireless remote Control Unit No1 (cased) Canadian No. 030410 dated 1945, GPO various equipment including Multi-Range Meter No.121, GPO No.2 Voltmeter & related equipment, Negretti & Zambra ÒQuick reading PotentiometerÓ No. E-9285 (in wooden case), Wavemeters, Crystal Calibrated Minor (unused boxed spares), ÒHeterodyne Frequency MeterÓ type CKB-74028 series 6519 (+Instruction code-book), `Advance` Signal Generator Type 62, Marconi Signal Generator TF801B, a large cased Radio Engineer`s boxed tool and repair-kit, Marconi Signal generator Type T5995-A No. 54786 FM/AM, and Ajax Radio Telephone Type A25 etc. (approx. 20)

A NEGRETTI & ZAMBRA LTD BLUE PAINTED THERMO/HYGRO GRAPH RECORDER, 17 1/2" wide

A set of Negretti & Zambra drawing instruments, including two ivory rules, within a fitted case.

A Negretti & Zambra brass table weather forecaster, circa 1915, formed as three discs, inscribed `Negretti & Zambra, London, Patent 6276, 1915`, with hinged strut back, diameter approx 12cm.