Books by A. J. Barry:
Books in the extended shelves:
![[X-Info]](https://onlinebooks.library.upenn.edu/infouc.gif)
Barry, A. J. (Anthony J.): Anchorage testing of mine-roof bolts. Part 1, Slotted-type bolts (U.S. Dept. of the Interior, Bureau of Mines, 1954), also by John A. McCormick and Louis Anthony Panek (page images at HathiTrust)- Barry, A. J. (Anthony J.): Anchorage testing of mine-roof bolts. Part 2, Expansion-type, 3/4-inch bolts (U.S. Dept. of the Interior, Bureau of Mines, 1956), also by John A. McCormick and Louis Anthony Panek (page images at HathiTrust)
- Barry, A. J. (Anthony J.): Roof movement study of mechanized retreating longwall operation, Lancashire no. 15 mine, Bakerton, Cambria County, Pa. (U.S. Dept. of the Interior, Bureau of Mines, 1954), also by J. J. Wojciechowski (page images at HathiTrust)
- Barry, A. J. (Anthony J.): Use of torque wrench to determine load in roof bolts (U.S. Dept. of the Interior, Bureau of Mines, 1953), also by John A. McCormick and Louis Anthony Panek (page images at HathiTrust)
- Barry, A. J. (Anthony J.): Use of torque wrench to determine load in roof bolts. Part 2, Expansion-type ³/₄ -inch bolts (U.S. Dept. of the Interior, Bureau of Mines, 1954), also by John A. McCormick, Louis Anthony Panek, and United States Bureau of Mines (page images at HathiTrust)
- Barry, A. J. (Anthony J.): Use of torque wrench to determine load in roof bolts. Part 3, Expansion-type, 5/8-inch bolts (U.S. Dept. of the Interior, Bureau of Mines, 1956), also by John A. McCormick and Louis Anthony Panek (page images at HathiTrust)
- Barry, A. J. (Anthony J.): Use of torque wrench to determine load in roof bolts. Part I, Slotted-type bolts (U.S. Dept. of the Interior, Bureau of Mines, 1953), also by John A. McCormick and Louis Anthony Panek (page images at HathiTrust)
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