The hiding power of white pigments and paints / by A.H. Pfund. (1926)
Pfund, A. H. · New Jersey Zinc Company · leaf 20
-1 ill-. IIIIHM. I'ltWKIl OF W 111 IK PIGMENTS \M> PAINTS … Fig. u Iniprmnl Type of ("rvptorneter The usual metallic strip attached to the top plate i^ replaced l>\ two small metallic squares at A and \ : again, the ^lass in the central area at C is cut away for a distance of 5 mm. When this plate is laid upon the lower one, contact is made* only on the…
Paint · Paint pigments · Zinc
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