Catalogue. A.H. Abbott & co., manufacturers and importers of mathematical and surveying instruments and drawing materials of every description .. (1896)
Abbott, A. H., & co., Chicago. [from old catalog] · [Chicago] · leaf 146
ANEMOMETERS OR AIR GAUGES. … No. Each. 1010. Improved Anemometer or Air Gauge, registering 1,000 feet, in case $17 00 1011. Improved Anemometer or Air Gauge, registering 10,000,000 feet 22 50 1012. Birams Anemometer, 4 inch diameter, recording to 100 feet 17 00 1013. The same as No. 1012, recording to 1,000 feet, with discon-…
Drawing instruments
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