A wind recorder by A. Casella, with gravity driven clock mechanism in mahogany housing, single hand enamelled dial operating a cam and lever for time recording, sepArate belt driven trains for wind speed and direction, on slate base; and a Casella electric anemometer in mahogany case

Details
A wind recorder by A. Casella, with gravity driven clock mechanism in mahogany housing, single hand enamelled dial operating a cam and lever for time recording, sepArate belt driven trains for wind speed and direction, on slate base; and a Casella electric anemometer in mahogany case
Further details
See illustration

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