sand permeability apparatus
Maker
Ridsdale & Co Ltd
Description
Sand permeability apparatus in the form of a grey painted steel cylinder on an open square base. A separate cylinder is stored in the annexe.
Used at Smith & Wellstood's Columbian Stove Works. See A572
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Object detail
stamping:label:"RIDSDALE DIETERT DESIGN/ RIDSDALE & CO LTD/ MIDDLESBROUGH,ENG./ SERIAL NO 7662"
Dimensions:0 - Whole:L 21cm (L 8 1/4")
Dimensions:0 - Whole:W 19cm (W 7 1/2")
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