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The Manhattan Project Heritage Preservation Association, Inc. "Preserving, Exhibiting, Interpreting and Teaching the History of the Manhattan Project" |
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Walter Calvin Moore Collection
| This collection of Oak Ridge photos is reproduced here from a publication of the Delmar Company in Knoxville, TN titled "Oak Ridge - the City That Changes the World". This booklet was provided to us by Walter C. (Calvin) Moore, and engineer at Oak Ridge. The photos are courtesy of Ed Westcott, official photographer of Oak Ridge; Frank Hoffman of the U. S. Energy Research & Development Admin.; and Bill Stoess. |
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Walter Calvin Moore Directory
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Images 26 to 46 |
| ORP-WMOR-026 | ORP-WMOR-027 | ORP-WMOR-028 | ORP-WMOR-029 | ORP-WMOR-030 |
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| The Electromagnetic Process at Y-12 Utilized a 'Racetrack', or Cyclotron, to Separate U-235 From U-238 | Because of the Scarcity of Copper, Nearly 14,700 Tons of Silver Bullion Was Used in the Magnets of the Alpha Racetracks at Y-12 | The X-10 Graphite Reactor Produced the World's First Usable Plutonium that Went to Los Alamos for Metallurgical Studies; X-10 Served as a Pilot Plant for the Giant Reactors at Hanford | Worker's at X-10 Carefully Remove Irradiated Uranium From the 'Furnace' in a Shielded Container | A Jubilant Crowd Of Oak Ridge Residents Greeted the End of World War II as the Atomic City's Role Was First Revealed. |
| ORP-WMOR-031 | ORP-WMOR-032 | ORP-WMOR-033 | ORP-WMOR-034 | ORP-WMOR-035 |
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| At X-10, a Radiation Detector is Used to Measure the Level of Radioactivity Before the Material Goes to a Chemical Processing Area to Extract the Plutonium | 75,000 People Turned Out on March 19, 1949 to Celebrate the 'Opening' of the Secret City of Oak Ridge | The City of Oak Ridge Took on a More 'Polished' Look After the War | 75,000 People Turned Out on March 19, 1949 to Celebrate the 'Opening' of the Secret City of Oak Ridge | A Miniature 'Explosion' Marks the Spot Near the Elza Entrance Where the Site Selection Team Fist Stood in 1942 |
| ORP-WMOR-036 | ORP-WMOR-037 | ORP-WMOR-038 | ORP-WMOR-039 | ORP-WMOR-040 |
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| Hollywood Celebrities Participated in the Ceremonies | The Modern-Day Y-12 Complex Still Retains It's War-Time Code Designation, But No Longer Separates Uranium Using the Electromagnetic Process | Pressures of 20,000 Pounds Per Square Inch and Temperatures of 1,000 Degrees Centigrade are Produced in this 30" Gas Autoclave at Y-12 | The Structural Condition of Fabricated Items Are Tested by a Two-Million Volt X-Ray Unit at Y-12 | Y-12 Has Assisted NASA in the Design and Fabrication of Vacuum Containers |
| ORP-WMOR-041 | ORP-WMOR-042 | ORP-WMOR-043 | ORP-WMOR-044 | ORP-WMOR-045 |
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| A Maze of Tubing and Pipes is a Part of the Recovery and Purification of Enriched Uranium by Solvent Extraction at Y-12 | At K-25, Uranium Hexafluoride Gas (UF-6) is Processed Through a Cascade Arrangement of Converters and Compressors in Several Thousand Stages as U-235 is Gradually Separated and Enriched | At K-25, The Final Product of the Gaseous Diffusion Process, Enriched Uranium 235, is Carefully Prepared and Shipped For Use as Fuel in Nuclear Power Plants | At K-25, a Number of Entirely New Welding Techniques Were Developed to Meet the Specifications for the Welded Joints of the Miles of Piping in the Interior of the Plant | The Gigantic and Imposing Gaseous Diffusion Facilities at Oak Ridge; Portsmouth, OH; and Paducah, KY, Have Been Used to Enrich Uranium as Originally Planned in 1945 |
| ORP-WMOR-046 | ||||
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| At K-25, Giant Autoclaves Use Intense Heat and Pressure to Convert Uranium Hexafluoride (UF-6) From a Crystalline Substance to a Gas Before Introduction to the First Gaseous Diffusion Stage |
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