Spirit level by W. Ottway & Company of Ealing, London, in box, early 20th century
Spirit level made by W Ottway & Company of Ealing, London. Basically a telescope that can be set on a tripod, this instrument would be mounted horizontally on a marked spot. When rotated, it would be possible to measure small changes in height, with the aid of an assistant with a measuring rod walking around the plot to be measured. This would be useful in road, rail and canal building, as well as landscape gardening.
- Object Number:
- spirit levels
- Christie's South Kensington Limited
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