Melin Bodwyr, Bryn Siencyn, Anglesey
Monkey and wrench, Melin-y-Bont, Bryn Du, Anglesey
Melin Bodowyr, Brynsiencyn, Llanidan, Anglesey
Melin Bodwyr, Bryn Siencyn, Anglesey
The jack, Melin y Bont, Bryn Du, Anglesey
Groat machine, Melin y Bont, Bryn Du, Anglesey
A J Thrower, Millwright, Belton, Suffolk
Brown's Hill Mill, Irstead
Stone floor, Sacrewell Mill, Thornbaugh
Stone floor, Sacrewell Mill, Thornbaugh
Clark & Butcher's Mill, Soham
Clark & Butcher Ltd., Soham
Stonenut, Moreton
"Salters Lode ext[erior]"
Inspecting the Archimedes' screw at Moulin de l'Hostine at Looberghe (Nord)
Keynsham, Somerset
Research notebook, 1925, 1938 and 1962
Longwick, Bucks.
Longwick, Bucks.
Ivinghoe, Bucks.