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Air meters & Anemometers
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Rare Negretti & Zambra Extra High Speed air meter to 10 million feet

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This is a very rare extra high speed air meter by Negretti & Zambra which unlike the 100,000 feet dial range of normal high speed models, has a massive range of 10 million feet, and a speed range between 300 - 9000 feet per minute.
Invented by Benjamin Biram, house steward to the Earl Fitzwilliam, owner of numerous collieries in South Yorkshire, England in 1844, these air meters were used to determine the volume of air entering or exiting mine workings.
The dial reads 'NEGRETTI & ZAMBRA, LONDON, EXTRA HIGH SPEED, No 5284, and incorporates 5 subsidiary dials measuring 100's, 1000's, 10,000's, 100,000's, and millions, with a large sweep hand graduated from 0 - 100.
Dating to the early 20th century and in good condition all round, it comes in a mahogany case with brass carry handle, plus a copy of a general information sheet as well as its original Correction Chart issued by Negretti & Zambra.
In full working order and with its original spigot attachment, it still retains virtually all the original black coating, and the eight intact aluminium vanes spin very easily to give a reading from even a gentle breeze.

Price Status Code UK P&P Overseas
£210
SC2390 Free £20
Biram type medium speed mining air meter by Casella London

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This Casella medium speed air meter is the rarer Biram design and comes complete with it's original velvet lined leather case.
The aluminium dial reads 'No A2479, AIR METER to 100,000 FEET, Made in England, CASELLA LONDON' and incorporates 3 dials measuring 100's 1000's and 10,000's with a large sweep hand on main dial which is graduated from 0 - 100.
A fine example of a mining air flow meter in full working order, it has 3 separate push buttons for On/Off and reset and is in exceptional condition throughout.

Price Status Code UK P&P Overseas
£180
SC2339 Free £18
Negretti & Zambra, London medium speed Air Meter in mahogany case

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This is an upright version of a medium speed air meter by Negretti & Zambra, and comes complete with its original spigot attachment in its fitted mahogany case.
The dial reads 'Air Meter to 100,000 Feet, Negretti & Zambra, London, No 5182', and incorporates 3 subsidiary dials measuring 100's 1000's and 10,000's, with a large sweep hand which is graduated from 0 - 100.
All dials register as they should, and reset fully, the aluminium vanes are undamaged and spin very easily to give a reading from even a gentle breeze.
This is a fine example from a much respected maker, in full working order and in very good condition, retaining virtually all its original paint finish.
There is an ivorine correction plate in the lid and also comes with a paper copy of a general instruction sheet. The mahogany case measures 125mm x 97mm x 100mm and weighs in at just over 700 grams.

Price Status Code UK P&P Overseas
 
SOLD
SC2377    
Post WW2 Casella hand held anemometer in fitted case.

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Similar to the German Kriegsmarine anemometers used on U boats during WW2, this appears to have been a British example manufactured in the post WW2 period by Casella.
A relatively rare instrument retaining all of its black paintwork on the body, it has three hemispherical cups and although they have had some minor repairs (see photo) are firmly in place.
In good working order, the indicator travels smoothly along the gauge with ranges up to 100 feet per second and 70 M.P.H.
Measuring 210mm in length and weighing 420 grams, it comes in a 245mm x 130 x 120mm fitted wooden case, with a combined weight of just over 1kg.

Price Status Code UK P&P Overseas
 
SOLD
SC2337    
Vintage Casella London medium speed Air meter in fitted leather case

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A nice example of a medium speed air meter by Casella London (upright version).
It comes complete with its spigot attachment, in a fitted leather case and the dial reads 'AIR METER to 100,000 FEET, No C 8976, CASELLA LONDON'.
There are three subsidary dials measuring 100's, 1000's, and 10,000's plus a large sweep hand on main dial which is graduated from 0 - 100.
The aluminium vanes are complete and spin very easily to give a reading from even a gentle breeze. In full working order, all dials register as they should and reset fully and the instrument is in very clean condition, with the blackened brass body retaining virtually all of its original finish.
The leather case is also in very good condition with all stitching intact, and there is a correction card included.

Price Status Code UK P&P Overseas
 
SOLD
SC2015    
Henry Hughes and Son Ltd Air meter from Nottingham University Botany dept.

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This upright version of a medium speed air meter by Henry Hughes and Son came from the Botany dept at the University of Nottingham in 1951, as hand inscribed on the lacquered brass bezel.
The dial reads 'No 787, Air Meter to 100,000 metres, Henry Hughes and Son Ltd' and incorporates 3 subsidary dials measuring 100's, 1000's and 10,000's, with a large sweep hand which is graduated from 0 - 100.
In very good condition with minimal paint loss, it's in good working order with all dials registering as they should, and resetting fully. The aluminium vanes are undamaged and spin very easily to give a reading from even a gentle breeze.
The mahogany fitted case is also in sound condition and still has the spigot attachment.
Henry Hughes & Son became Kelvin & Hughes in 1947 so we can date this example to before that date.

Price Status Code UK P&P Overseas
 
SOLD
SC1990    
Negretti and Zambra London anemometer in leather case

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Dating from the post WW1 period, this upright portable air meter by Negretti & Zambra comes with its original spigot inside the velvet lined leather case.
The dial reads '200-3000 F.P.M. No C14058, Negretti & Zambra, London, Made in England ' and incorporates 3 subsidary dials measuring 100's 1000's and 10,000's, with a large sweep hand which is graduated from 0 - 100.
A particular feature of this model worth noting is the pear-shaped base for improved stability on flat surfaces.
The leather case is in particularly good condition, with all original stitching intact and includes the (fabric) correction card affixed to the inside flap.
The aluminium vanes are undamaged and spin very easily to give a reading from even a gentle breeze.
A fine example in working order and very good condition throughout.

Price Status Code UK P&P Overseas
 
SOLD
SC1877    

Rare WW2 German Kriegsmarine Handwindmesser U-Boat handheld cup anemometer

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This is an original WW II Kriegsmarine Handwindmesser Anemo WP3 model handheld cup anemometer and was used for measuring wind speed on German naval vessels and U-Boats.
A rare instrument, it retains all of its black paintwork with the four hemisphere cups fully intact and the main body still has its resting prongs.
The indicator travels smoothly along the gauge with a range up to 50 and rests at 0, the issue number '224037' on the left side of the readout, with the Kriegsmarine acceptance stamp along the top and has the letter 'M' standing for marine opposite at the bottom centre.
The serial number 224037 indicates it was made before 1944 and it appears to be in working order, but may require calibration for accuracy given its age.
Measuring approximately 210mm in length and weighing almost 450 grams this was standard military issue on German ships and U-boats during the second world war.

Price Status Code UK P&P Overseas
 
SOLD
SC2017    
Vintage air meter by Lowne Instruments London

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This early 20th century Lowne Instruments medium speed air meter comes complete with velvet lined leather case including it's original spigot and instruction sheet.
The dial reads 'AIR METER TO 100,000 FEET, No L 812, LOWNE INSTRUMENTS LONDON' and incorporates 3 dials measuring 100's 1000's and 10,000's with a large sweep hand on main dial which is graduated from 0 - 100.
Of blackened brass construction, with only minimal paint loss, this is a fine example in full working order and excellent condition throughout.
Robert Mann Lowne began manufacturing around 1870, specialising in air meters which he made for both Casella & Negretti & Zambra, and this continued into the 20th century.

Price Status Code UK P&P Overseas
  SOLD SC1700    
Negretti & Zambra, London low speed air meter in mahogany case

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This example of a Low Speed air meter by Negretti & Zambra comes complete with its ivorine correction card, all in a fitted wooden case.
The brushed aluminium dial reads 'Low Speed Air Meter to 1000 Feet, No 4360, Negretti & Zambra London.'
There is a small subsidary dial measuring 100's and a large sweep hand on main dial which is graduated from 0 - 100.
The mica vanes are complete and spin very easily to give a reading from even a gentle breeze.
Although missing the separate spigot attachment, it is in full working order and very good cosmetic condition, with minimal paint loss to the metal body.
Will come with a copy leaflet of a Negretti & Zambra 'Instructions for using portable air meters'.

Price Status Code UK P&P Overseas
 
SOLD
SC2167    
English made 19th century pocket sextant signed G A Boettger Capetown

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This is a rare opportunity to buy a piece of TV memorabilia with this vintage airflow meter by Negretti & Zambra which was used as one of the props in the 5th series of Celebrity Big Brother in January 2007.
It featured in the Manor House task and was used as an object of interest by the celebrities in the show. These included Jermaine Jackson, Shilpa Shetty, Dirk Benedict and the late Jade Goody.
Scientific Collectables was one of the task suppliers credited as such on the Channel 4 website Big Brother Task Suppliers page
and supplied a number of vintage and antique instruments for the task , of which this was one, directly to Endemol the TV company who produced the programme for Channel 4, and this will come with a copy of the hire agreement signed by their representative.
Mounted on a wooden display plinth, the dial reads ‘No 5847 AIR METER TO 100,000 FEET, NEGRETTI & ZAMBRA, LONDON’.
It’s the upright version and incorporates 3 dials measuring 100's, 1000's and 10,000's and a large sweep hand on main dial which is graduated from 0 - 100.
This instrument is in perfect working order, and in very good cosmetic condition throughout, with very little paint loss, and the plinth size is 7” x 4”.
The aluminium vanes are intact and spin freely, and the dials can be reset with the brass knurled knob.
Not only is this a super item in its own right by a much sought after maker, but it also has the added interest of having featured in a high profile TV show.

Price Status Code UK P&P Overseas
  SOLD SC1409    
Negretti & Zambra London, upright model of air meter

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This is an upright version of a Medium speed air meter by Negretti & Zambra and comes in its fitted wooden case.
The dial reads 'Air Meter to 100,000 Feet, Negretti & Zambra, London, No 4111, and incorporates 3 subsidary dials measuring 100's 1000's and 10,000's, with a large sweep hand which is graduated from 0 - 100.
In very good condition with only a little paint loss, and some minor tarnishing on the aluminium pillars.
In good working order, all dials register as they should and reset fully.
The aluminium vanes are undamaged and spin very easily to give a reading from even a gentle breeze.
It dates to the early part of the 20th century, and is complete including the spigot for attaching to an extension pole.
There is also a correction plate inside the lid.

Price Status Code UK P&P Overseas
  SOLD SC1360    
Antique anemometer by F Robson Newcastle upon Tyne

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A fine example of an early medium speed air meter by F Robson of Newcastle upon Tyne.
In very good condition all round , it comes complete with original spigot , all in a handsome fitted wooden case which also contains Robsons metal nameplate.
The dial reads 'Air Meter to 100,000 Feet, F Robson & Co, Newcastle, No 2139, and incorporates 3 subsidary dials measuring 100's 1000's and 10,000's. In working order, the aluminium vanes are complete and spin very easily to give a reading from even a gentle breeze.
Made of brass construction this is a rare anemometer dating to the last quarter of the 19th century by a much sought after maker, renowned for top quality instruments.

Price Status Code UK P&P Overseas
  SOLD SC1110    
Casella medium speed Airflow meter

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A nice example of a medium speed air meter by Casella London (upright version). It comes complete with its spigot attachment, in a fitted leather case and the dial reads 'Air Meter to 100,000 Feet, No 4319, Casella London'.
There are three subsidary dials measuring 100's, 1000's, and 10,000's plus a large sweep hand on main dial which is graduated from 0 - 100. The aluminium vanes are complete and spin very easily to give a reading from even a gentle breeze. In full working order, and generally in good condtion, although the blackened brass body has some small areas of paint loss.

Price Status Code UK P&P Overseas
  SOLD SC1086    
19th century air meter by Negretti & Zambra

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This is an upright version of a portable air meter by Negretti & Zambra with its fitted wooden case, which dates to the latter part of the 19th century.
The dial reads 'Air Meter to 100,000 Feet, Negretti & Zambra, London, No 2773, and incorporates 3 subsidary dials measuring 100's 1000's and 10,000's, with a large sweep hand which is graduated from 0 - 100.
In excellent condition with very little paint loss, it is in good working order, all dials register as they should, and reset fully. The aluminium vanes are undamaged and spin very easily to give a reading from even a gentle breeze.
The mahogany fitted case has a fine split on the lid panel but has been repinned with small brass nails and the case is now in sound condition. The lid fastens with a brass hook and there is a very elegant brass carry handle.
It comes with the spigot for attaching to an extension pole, and also a paper correction chart from Negretti & Zambra dated 1952, which is probably when it was last calibrated.

Price Status Code UK P&P Overseas
  SOLD SC1257    
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