Fairplay Mine, Mitcheldean, Osman Barrett: 16...
Robert Crawshay, Cyfarthfa: 2 horse power...
Henry Crawshay, Cinderford, Forest of Dean:...
Cinderford Iron Company, elevation of 54”...
Cannock Coal company: colliery ground plan, 19...
Blowing apparatus, 11 Aug. 1865
Rhymney Iron Company: plan for 8” locomotive, 1866