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Half-hour glass in a wooden frame, used by Sir Walter Scott for timing his literary work and given by him to Elizabeth Lear, daughter of his cousin, Ann Lear, nee Scott
One of nineteen specimens illustrating the manufacture of chunam or shell lime plaster in Madras - a sample of river sand
One of nineteen specimens illustrating the manufacture of chunam or shell lime plaster in Madras - a sample of white sand for second and third coats
Sample of sand from Leighton Buzzard as used in Bell's mechanical filters sealed in glass jar with lid
Mixture of cement and sand (1/2 of each), the cement prepared from the marly limestone found near Casale Monferrato (Alexandria), part of a collection of 124 specimens of rocks, minerals and cements, chiefly from Italy, 1890 - 1891