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

Telegraph cable

Sample of sand from Leighton Buzzard as used in Bell's mechanical filters sealed in glass jar with lid

Hour glass call timer

'Slanted Red Sand Bowl' Britannia silver, red sand, English, London by by Adi Toch, 2013