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Second Chance Auction. This weeks unsolds.

Second Chance Auction. This weeks unsolds.

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Lot 706: A Collection of Casella London Whirling Hygrometer Equipment

Bidding closed on April 22, 2026.

Start price: £3

Buyer's Premium: 20%

Not sold

A collection of meteorological instruments including a Casella London whirling hygrometer marked BS 2842, two slide rules for aspirated hygrometers, a packet of wicks, and several relative humidity tables.