Works perfectly. The ink pen can be refilled but it lasts for at least a year before you need to refill it. I just use printer ink.
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Antique Mahogany NEGRETTI & ZAMBRA LONDON Barograph No 30532 + charts - working - nice compact size (20w x 13d x 14h - cm) and complete with original ink bottle and heart shape ink cup/stylus (+ modern plastic equivalent).
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GOOD CONDITION FOR AGE. WORKING ORDER.
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Drum type Barograph By Sewills Of Liverpool~. A fine mahogany based barograph by Sewills of Liverpool. The barograph has a lift-off lid for access to change charts.
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London manufactured in 2000. The case is made from mahogany which is a lovely colour as can be seen from the photographs. The cylinder makes one full revolution in one week. The barograph is in excellent working order and was serviced in 2021.
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The o/k barograph is a steel scientific instrument.This barograph is a specific type of scientific collectable, designed for measuring atmospheric pressure changes. With its sturdy material and precise craftsmanship, this barograph is a valuable piece for collectors and enthusiasts of scientific instruments. I don't know anything about it so please study photos. looks as if it's never been used.
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An antique oak cased barograph with Bevelled Glass. This is in beautiful antique condition with no visible signs of damage. All parts are present, have a box of blank graphs, freely winds, and runs as it should. Antique and vintage/used items may exhibit signs of wear, which add to their unique character.
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This beautiful traditional barograph is a rare find from the early 19th century, made in the United Kingdom with a brass construction. It comes in a luxurious Rosewood case, adding a touch of elegance to any collection of scientific instruments. The barograph features a draw for spare charts, making it both functional and aesthetically pleasing for collectors of vintage scientific tools. Perfect for those interested in the history and craftsmanship of barometers from this period.
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