Under tab, "Shop Extensions" Printing on bottom states, "(1) Non-Classified (2) EST-1502 (3) Charleston Naval Shipyard, Charleston, South Carolina (4) 10 September 1961 (5) Multi-Pupose Building and Extension to Machine Shop (6) Not Applicable (7) North Wall (8) Looking South(9) NBy-31328 (10) NBy-EST."
Under tab, "Shop Extensions" Printing on bottom states, "(1) Non-Classified (2) EST-1489 (3) Charleston Naval Shipyard, Charleston, South Carolina (4) 10 September 1961 (5) Extension to Machine Shop and Hydraulic Repair Facility (6) Not Applicable (7) South and WEst Walls (8) Looking Northwest (9) NBy-31328 (10) NBy-EST."
Under tab, "Shop 980" Note states, "SAND SLINGER - Arthur Martin, molder, operates machine capable of providing and ramming sand at speeds to 1,000 pounds per minute. With a 19 foot operating radius fully extended, it can be raised to 5 feet 6 inches or lowered to about 2 feet 6 inches. 12 May 1961."
Under tab, "Shop 931" Note states, "New Machine - Machinist W. R. McClendon demonstrates how a piece of broken tap can be removed from a valve flange through the use of the Electro Arc Metal Disintegrator recently installed in the Shipyard's Machine Shop. By the arcing process the broken tap is disintegrated, enabling the operator to lift the pieces without disassembly of the valve. May 61." Note on back states, "Navy News 24 1/2 ems May 28 issue (129546)"
Under tab, "Shipfitter Shop" Printing on bottom states, "Shop XII Extension" Printing on back states, "Construction of Extension to Machine Shop, Building 3"
Under tab, "Shipfitter Shop" Printing on bottom states, "17-42 US Navy Yard, SC June 8, 1943. Machine: Radial Drill, 5 ft. Radius. Make: Western Machine Tool Works, Holland, Mich. Agent: Hill Clark and Co. Year purchased: 1920. Condition: Fair-servicable. Drive-Motor 10 HP., 230 Volts. Navy Yard No. 2-6731. File 15578."
Under tab, "Shipfitter Shop" Printing on bottom states, "991-43 US Navy Yard, SC June 17, 1943. Yard #3-6312. Machine Planer capacity 36" x 36" x 10'. Mfg. Bement Niles Co. Philadelphia, Pa. Purchased 1898. Drive-Motor 10 HP. 220 Volt. 735 to 850 RPM-DC. File 15576."
