[31] Dry pigment formula in soya bean oil.

[32] Dry pigment formula in menhaden oil.

[33] Mixture of boiled tung and soya bean oil, thinned with petroleum and turpentine.

[34]

25%raw linseed oil.
73%petroleum oil.
2%drier—lead and manganese linoleate.”

CHAPTER XV

CEMENT AND CONCRETE PAINT TESTS

Damp-proofing and Waterproofing. The decoration and preservation of cement and concrete is a subject which is being given the careful consideration of many technologists on account of the wide usage of cement for structural purposes, and the necessity of properly guarding it against the destructive effects of moisture.