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Second Chance Auction. This weeks unsolds.

Lot 706:

A Collection of Casella London Whirling Hygrometer Equipment

Auction will begin to close in __ days and __ hours

Start price: £3

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Description

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.