Boyle Bros. BBS-10 Surface Drilling Rig
Geology
Boyle Bros. BBS-10 Surface Drilling Rig
Plan of Thurcroft Colliery
Transport and Communication
Plan of Thurcroft Colliery
Surveyor’s Notebook
Colliery Professions
Surveyor’s Notebook
Strata Plan for Maltby Colliery
Geology
Strata Plan for Maltby Colliery
Aerograph Paint Sprayer
Colliery Professions
Aerograph Paint Sprayer