Under tab "Power Plant". Printing on bottom states, "586-39 US Navy Yard, Charleston, SC 17 October 1939. Improvement of Power Plant. Allotment 7-08/0679.1-91-1 (PWA). 5000 c.f.m. steam driven Air Compressor. Contract NOy-3216. Looking northeast. File 7880."
Printing on side states, "MAY61". Included note states, "Two Experiments ---The installation of a ventilation system, indicated by the "chimneys", permitted 500 man shafts of work to be accomplished on the submarine Picuda (SS382) during the sandblasting and painting period. Previously no other work was performed during this period. Incident to the ventilation system is the enclosed air-lock accessed (right). The complete canvas all-weather cover permitted sandblasting and painting to continue without interference from rain, dew, and fog. Work that normally requires ten to twelve days was completed in seven."
Accompaning note states, "Floating Drydock - To augment Drydock No. 1 and Drydock No. 2 Charleston maintains ARD 15 shown here, and ARD 12. These ARDs provide additional capability for meeting heavy docking needs to Fleet in this area."
Writing on bottom states, "(1) Non-Classified (2) EST-1671 (3) CNSYD, Charleston, SC (4) 10 October 1961 (5) Construction of Fire Control and Navigation Building (6) Not Applicable (7) East Side (8) Looking Northwest (9) NBy-31327 (10) NST-EST
Writing on bottom states, "(1) Non-Classified (2) EST-1672 (3) CNSYD, Charleston, SC (4) 10 October 1961 (5) Multi-Purpose Building (6) Not Applicable (7) South and West Walls (8) Looking Northeast (9) NBy-31328 (10) NST-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 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, "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, "Gyro Building" Printing on bottom states, "Gyro Store House Noisette Creek", on back, "Construction of Precision Instrument Storage Facility, Aug 1961."
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, "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."
