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Contract IR-1 and 2, Power Transformer Test Reports, 1958
Box 581, Folder 5-7
Contract IR-1, Transformer Bid Analysis, 1957
Box 581, Folder 3
Contract IR-20, 1960-1963
Box 726, Folder 1 to 4
Contract IR-21, 1961
Box 727, Folder 1
Contract IR-31, Perimetral Shaft Drilling Cages, 1962-1963
Box 610, Folder 6
Contract IR-36, 15 KV Metal Clad Bus and Switchgear, 1965-1971
Box 616, Folder 2
Contract IR-43, Outdoor Disconnecting Switches, Fused Switches, 1964-1965
Box 623, Folder 6-7
Contract IR-50, 1965 May-June
Box 727, Folder 4 to 5
