Caspro Vermiculite, manufactured by California Stucco Products of N.E., Inc. 169 Waverley Street, Cambridge, Mass.
Description:
Caspro Vermiculite is mined in South Africa and imported by American Vermiculite Corporation, 654 Madison Avenue, New York, New York. The business products are concrete, plaster and insulation. Text on the front cover margins reads "A.I.A. File-3-D-3."