Chemical formulary V.12: a collection of valuable, timely, practical commercial formulae and recipes for making thousands of products in many fields of industry

Eitemau Tebyg

• Chemical formulary V.11: a collection of valuable, timely, practical commercial formulae and recipes for making thousands of products in many fields of Industry
  Cyhoeddwyd: (1961)
• Chemical formulary V.9: a collection of valuable, timely,practical commercial formulae and recipes for making thousands of products in many fields of industry
  Cyhoeddwyd: (1951)
• Chemical formulary V.16: collection of commercial formulas for making thousands of products in many fields
  Cyhoeddwyd: (1971)
• Chemical formulary V.19 collection of commercial formulas for making thousands of products in many fields
  Cyhoeddwyd: (1976)
• Chemical formulary V.15 collection of commercial formulas, collected during 1968 for making thousands of products in many fields
  Cyhoeddwyd: (1970)