In August 1944, the Navy Department requested Philippine currency that could be supplied to the 35 US aircraft carriers operating in the Pacific Theater at that time. These certificates were to be provided to aircrews operating in vicinity of the Philippines (Treasury Department, 1964). The 5,00...
1. The precursor is synthesized by adding 52.5 mL of tetraethoxysilane (Pacific Pac, Hollister, Calif. 95023), 33.4 mL of trimethoxysilane (Gelest, Tullytone, Pa. 19007), 47.0 mL of triethylene glycol monomethyl ether (Pacific Pac, Hollister, Calif. 95023), 8.4 mL of deionized water, and...