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the onset of the more agile aneroid barometer put pay to the success of many of these fascinating instruments and they are therefore seldom encountered
It was my aim to portray that most fascinating of instruments – the barograph – using illustrations as examples of the many different types still available
Comprised of an eight-inch brass dial with Arabic numeral divisions
having not taken enough notice of the falling barometer
Cased George IV Altazimuth Theodolite by Alexander Adie of Edinburgh RB Bate the onset of the moreFor sale, a cased George IV altazimuth theodolite by Alexander Adie of Edinburgh. This rare example is comprised of a horizontal five inch divided circle which is coarse adjusted by hand and then finely adjusted by means of a knurled brass knob attached to top. The centre contains an expertly engraved and silvered compass with a small brass cam to the side of the case, to hold or release the movement. Two sides of the outer edge of the base are also
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