Early Kueffel & Esser NY Anemometer, c.1900-1940

Vintage Keuffel & Esser & Company, New York Mechanical Pocket Anemometer with a Leather Case. Used in Mining, and Meteorological fields to measure airflow.

Large Center Dial Wind Speed Marked 0 to 90 Feet. Small Dial Wind Duration Marked 0 to 9 Hours. Serial Number Engraved at the Bottom of the Brass Base. Features in-and-out airflow with reset switch. American made, circa 1900-1940. Functioning piece. Sold in original case.

Dimensions: 3.0" x 1.5" x 4.5"

Weight: 10 oz.