Eardley B. Norton Cased Double Sided Pocket Barometer Triple Compendium Working
FOR SALE IS FOR AN ANTIQUE ANEROID DOUBLE SIDED POCKET BAROMETER COMPENDIUM. A RARE INSTRUMENT SIGNED EARDLEY B.
CONSISTS OF A BAROMETER & ALTIMETER WITH A THERMOMETER & COMPASS ON THE REVERSE SIDE. IN FULL WORKING ORDER WITH SUPERB GILDING & CONTAINED IN IT'S ORIGINAL LEATHER CASE. EARDLEY NORTON IS REPORTED TO HAVE OPERATED FROM 1875 TO 1895. DIAMETER 5.1 cm (2") DEPTH OF 2.2 cm (7/8"). THE CASING IS GILDED BRASS IN EXCEPTIONALLY GOOD, NEAR MINT, CONDITION THROUGHOUT.THE BAROMETER IS IN FULL WORKING ORDER & PASSES THE'PLASTIC BAG TEST'. THE DIAL IS SILVERED WITH FINE BLACK LETTERING & A BLUED STEEL POINTER. IT IS FINELY ENGRAVED WITH THE SIGNATURE' Eardley B.
Norton, Manchester' AND THE NUMBER'1063'. ALSO ENGRAVED ARE 5 WEATHER INDICATIONS' Stormy, Rain, Change, Fair, Very Dry' & Compensated' (for temperature). THERE ARE TWO SCALES ON THE DIAL. THE INNER RING READS FROM 21 TO 31 REGISTERING THE ATMOSPHERIC PRESSURE IN INCHES. THE OUTER RING READS FROM 0 TO 10,000 REGISTERING THE ALTITUDE ABOVE SEA LEVEL IN FEET. THE FRONT BEZEL ROTATES TO ADJUST THE ALTITUDE SCALE. THE GLASS IS BEVELLED AND APPEARS TO BE ORIGINAL WITH NO DAMAGE.THE REVERSE HAS A GILDED METAL PLATE TO WHICH IS ATTACHED A VERY FINE CIRCULAR THERMOMETER WITH A SPHERICAL RESERVOIR. IT IS ENGRAVED -20 to + 150 DEGREES (FAHT). THE THERMOMETER SURROUNDS A CENTRAL MOTHER-OFPEARL COMPASS WITH A TRANSIT LOCK-LEVER & BEVELLED GLASS COVER ALL IN FULL WORKING ORDER. THERE IS A TINY HOLE TO ALLOW ACCESS TO THE BAROMETER CALIBRATION SCREW. IN EXTREMELY GOOD CONDITION WITH EXCELLENT, NEAR MINT, GILDING.
THE BAROMETER IS IN FULL WORKING CONDITION AND PASSES THE'PLASTIC BAG VACUUM TEST'. THE ALTITUDE BEZEL ROTATES READILY. THE COMPASS AND THE TRANSIT LOCK BOTH FUNCTION CORRECTLY.THE THERMOMETER IS INTACT WITH NO AIR-GAPS IN THE SILVER FLUID. THE CASE IS DOUBLE SIDED, COVERED IN BROWN LEATHER AND IN GOOD CONDITION.
INTERNALLY THE CASE IS COVERED IN GREEN VELVET AND SILK LININGS IN GOOD CONDITION. NORTON CASED DOUBLE SIDED POCKET BAROMETER TRIPLE COMPENDIUM WORKING" is in sale since Sunday, June 9, 2019. This item is in the category "Antiques\Science/Medicine\Scientific Instruments".
The seller is "weatherzone25" and is located in Middlesex. This item can be shipped to United States, European Union member countries, Canada, Australia.