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Date
1900 – 1930
Material
metal; glass; wood
Catalogue Number
104.30.0006
Description
Air meter enclosed in circular shallow brass case covered with glass, and standing on three brass legs (3.5 cm) attached to a solid brass disk stand of the same size. Brass ring attached perpendicular to side of the meter case by two thin metal arms, contains wind vane with eight small square sails…
  1 image  
Title
Air Meter
Date
1900 – 1930
Material
metal; glass; wood
Dimensions
7.1 x 7.8 x 8.5 cm
Description
Air meter enclosed in circular shallow brass case covered with glass, and standing on three brass legs (3.5 cm) attached to a solid brass disk stand of the same size. Brass ring attached perpendicular to side of the meter case by two thin metal arms, contains wind vane with eight small square sails attached to centre by small metal arms. Face dial measured around perimeter with numbers from 0-90 has small circular dial at top with numbers from 0-9 and the letters "HDS" just above central pivot of small thin needle. Dial reads "Air meter to 1000 feet/No 508". Bottom of solid brass base has screw hole at centre to hold screw mount which is brass finger screw with black painted brass tube attached to top. Lever on side of meter halts needle. Box, plain square wooden box with brass hinges for lid is fitted with small blocks of wood to hold air meter securely in place. Mounting screw slips over arm of piece of wood fastened to lid. Paper label inside lid reads, "Correction for Air Meter No. 508/. Add 30 per minute to the observed reading of the Air Meter. Note. Each instrument is now regulated so as to reduce the correction to a constant quantity per minute, which must be added as in the example given.". Small brass latch hook closes lid.
Subject
households
industry
surveying
Russell Robb
Credit
Gift of Catharine Robb Whyte, O. C., Banff, 1979
Catalogue Number
104.30.0006
Images
Less detail
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