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)"
Writing on bottom states, "1769-41 US Navy Yard, Charleston, SC. December 2, 1941. USS Beatty (DD640) and USS Tillman (DD 641) 19 days before launching. After staging and stage bents have been removed. Full bow view showing port forward poppet on Tillman and starboard poppet on the Beatty. File 11750."
Writing on bottom states, "1831-41 US Navy Yard, Charleston, SC. December 20, 1941. Dual Launching USS Beatty (DD640) and USS Tillman (DD 641) Mr. John Jennings presenting pledges of 12,000 yard employees to purchase Defense Bonds to Rear Admiral Allen. File 11965."
Writing on bottom states, "1772-41 US Navy Yard, Charleston, SC. December 2, 1941. USS Beatty (DD640) and USS Tillman (DD 641) 19 days before launching. After staging and stage bents have been removed. Showing view of port bow. File 11753."
Writing on bottom states, "1582-41 US Navy Yard, Charleston, SC. October 28, 1941. USS Tillman (DD 641) Total weight 47,780 pounds exclusive of rigging, showing method of raising Bow Assembly to vertical position preparatory to hoisting into position on ship. File 11061."
