Document 6QxBDY0kmzBzwK7bBw9Xe4ZR

Ardncre Mr* H. J. Huger May 7, 1957 eet Mr* J* I* Trolley - Ardmore Paoll Laboratory OTH APPLICATIOI ACOUSTIC PLASTER - R&D 183 J. * Watt - cv PLAINTIFF'S EXHIBIT GP-746 I y V Considerable work has been dona recently formulating an acoustic plaster for gun application* At present we hare settled on one fomula which we want to hare tried in the field. However* before doing ao we want to know the cost* The formla is as followsi Percent Bentonite Clay (*200 nesh) 12*0 Expanded perlite (plastering grade) 60*0- Carey's 7D Asbestos 28*0 100.0 Ultra Vet D3 3 pounds per ton Please advise us the cost per tan of this formic at Acne* Akron* Fort Dodge and Orand Bapids* L'J / v/ SGP 0018640