Concept
Gypsum
Catalogue
- Books
- Online
Specification of William Edward Hollands and Nicholas Whitaker Greene : manufacture of artificial fuel in blocks.
Hollands, William Edward.Date: 1857
- Books
- Online
Specification of Gustav Alsing : treating sewage, &c.
Alsing, Gustav.Date: 1873
- Books
- Online
Specification of Gustav Alsing : treating night soil, &c.
Alsing, Gustav.Date: 1873