LDGSL/482
Drawings of well sections at Birkenhead, Hastings, Northampton, Warnham and Redhill
[c.1860]
LDGSL/486
Well section at Purmerende, Netherlands
[c.1859]
LDGSL/487
Well sections at Grenelle and Passy, France
[c.1862]
LDGSL/489
'Section of a well at the tannery of Mr Webb, Stowmarket'
[c.1863]