Air Velometer, made by Casella of London, 1889
Description
A velometer for testing airflow in colliery workings was essential to ensure proper ventilation in collieries. The print on the dial reads 'Colliery Air Meter No. 526'. A paper label pasted inside the storage box reads 'Morgan H. Thomas, Birchgrove, Nov 26 1889'.
L. Casella was a well-known maker of scientific instruments of all kinds in London during the second half of the 19th century.
More items with these tags
Related items
Contact Us
To request take down or report racist, offensive or otherwise harmful content.
You must be logged in to leave a comment