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18:51, 27 May 2015 EDISONfalkC1883rwLIPACKownerA.jpg (file) 495 KB Richard Warren Lipack Detailed scan of an original circa 1883 cabinet card albumen photograph by Benjamin J. Falk of New York discovered by author, archivist and historian Richard Warren Lipack. Image has had some restoration by Richard Warren Lipack where the top of image... 1
14:58, 27 May 2015 Weston-measuring-invisibles.pdf (file) 19.09 MB DaveHaas   1
13:18, 27 May 2015 Stanley Transformer 0177.jpg (file) 803 KB Administrator1   3
08:50, 27 May 2015 LANGE-SHALLENBERGER-TeslaPolyphaseSys1890METERrwLIPACKownerD.jpg (file) 1.18 MB Administrator1   1
08:50, 27 May 2015 LANGE-SHALLENBERGER-TeslaPolyphaseSys1890METERrwLIPACKownerC.jpg (file) 917 KB Administrator1   1
08:50, 27 May 2015 LANGE-SHALLENBERGER-TeslaPolyphaseSys1890METERrwLIPACKownerB.jpg (file) 1.6 MB Administrator1   1
08:50, 27 May 2015 LANGE-SHALLENBERGER-TeslaPolyphaseSys1890METERrwLIPACKownerA.jpg (file) 1.35 MB Administrator1   1
19:36, 26 May 2015 LANGE-SHALLENBERGER-TeslaPolyphaseSys1890METERrwLIPACKownerA.pdf (file) 3.27 MB Richard Warren Lipack   2
16:18, 25 May 2015 LANGE-SHALLENBERGER-TeslaPolyphaseSys1890METERrwLIPACKownerD.pdf (file) 3.08 MB Richard Warren Lipack TESLA POLYPHASE SYSTEM / WESTINGHOUSE "THREE PHASE" AC GALVANOMETER INDICATOR BY LANGE & SHALLENBERGER - 1890 Westinghouse line galvanometer voltmeter, serial number 5453. Designed and manufactured under patents developed by Westinghouse Electric and M... 1
16:14, 25 May 2015 LANGE-SHALLENBERGER-TeslaPolyphaseSys1890METERrwLIPACKownerC.pdf (file) 2.29 MB Richard Warren Lipack TESLA POLYPHASE SYSTEM / WESTINGHOUSE "THREE PHASE" AC GALVANOMETER INDICATOR BY LANGE & SHALLENBERGER - 1890 Westinghouse line galvanometer voltmeter, serial number 5453. Designed and manufactured under patents developed by Westinghouse Electric and M... 1
16:10, 25 May 2015 LANGE-SHALLENBERGER-TeslaPolyphaseSys1890METERrwLIPACKownerB.pdf (file) 4.11 MB Richard Warren Lipack TESLA POLYPHASE SYSTEM "THREE PHASE" AC GALVANOMETER INDICATOR BY LANGE & SHALLENBERGER- 1890 Westinghouse line galvanometer voltmeter, serial number 5453. Designed and manufactured under patents developed by Westinghouse Electric and Manufacturing Co.... 1
14:09, 18 May 2015 546 - Abraham Haddad (remastered audio).mp3 (file) 41.81 MB Administrator1   1
11:31, 18 May 2015 Handbook of Electronic Design and Analysis Procedures Using Programmable Calculators.pdf (file) 20.36 MB Administrator1   1
14:12, 1 May 2015 R8 history.pdf (file) 14.23 MB M.j.bastiaans   13
10:11, 24 April 2015 OMNI-Tester.jpg (file) 694 KB Administrator1   2
10:04, 24 April 2015 OMNI-Lab.jpg (file) 823 KB Administrator1   3
13:26, 13 April 2015 PVB extending-Lill's-Method-of-1867.docx (file) 684 KB Tbickart   5
12:54, 13 April 2015 PVB right-angle-paths-to-solve-algebraic-equations.docx (file) 100 KB Tbickart   2
12:51, 13 April 2015 PVB negative-equivalent-mass-of-gravitational-fields.docx (file) 18 KB Tbickart   3
12:50, 13 April 2015 PVB deriving-the-traditional-formula-for-the-quadratic-equation.docx (file) 65 KB Tbickart   2
12:46, 13 April 2015 PVB Applets.docx (file) 198 KB Tbickart   1
20:51, 10 April 2015 PVB Lill's-resolution-graphique.pdf (file) 1.94 MB Tbickart   2
20:49, 10 April 2015 PVB Riaz-article.pdf (file) 839 KB Tbickart   1
12:41, 10 April 2015 PVB the-physics-of-negative-mass.docx (file) 217 KB Tbickart   2
21:34, 7 April 2015 Alternative Perspectives on STEM.docx (file) 101 KB Tbickart   2
20:58, 7 April 2015 PVB origin-of-gravity.pdf (file) 957 KB Tbickart   1
20:56, 7 April 2015 PVB geometric-solutions-of-alebraic-equations.pdf (file) 839 KB Tbickart   1
20:55, 7 April 2015 PVB Euclidean-model-of-space-time.pdf (file) 294 KB Tbickart   1
20:55, 7 April 2015 PVB entropic-accelerating-universe.pdf (file) 450 KB Tbickart   1
20:54, 7 April 2015 PVB Dirac's-sea-of-negative-energy-(part 2).pdf (file) 839 KB Tbickart   1
20:52, 7 April 2015 PVB Dirac's-sea-of-negative-energy-(part 1).pdf (file) 285 KB Tbickart   1
22:18, 6 April 2015 PVB a-space-time-geometric-interpretation-of-the-beta-factor-in-special-relativity.docx (file) 76 KB Tbickart   1
22:17, 6 April 2015 PVB a-simple-algegraic-method-of-determining-the-compound-velocity-formula-in-special-relativity.docx (file) 62 KB Tbickart   1
13:55, 6 April 2015 Sprague Electric cover.jpg (file) 919 KB Administrator4   1
12:58, 6 April 2015 Stereo Sound Milestone plaque.jpg (file) 2.55 MB Administrator4   1
11:30, 1 April 2015 BretonRig20.png (file) 368 KB Aesdorn The first offshore mobile drilling platform, the Breton Rig 20 . Photo courtesy Petrowiki. 1
11:22, 1 April 2015 HalliburtonApprovedImage FirstCommercialFracTreatment Feb2014 - Copy.jpg (file) 44 KB Aesdorn First commercial hydraulic fracturing treatment. 1
11:16, 1 April 2015 IMG0004 drill bit.jpg (file) 389 KB Aesdorn Hughes and Sharp patent the first Roller Cone Drill Bit. 1
11:10, 1 April 2015 Lucas gusher.jpg (file) 22 KB Aesdorn Lucas gusher at Spindletop Hill, Beaumont, Texas. 10 January, 1901. 1
09:56, 1 April 2015 Världens första tankfartyg..jpg (file) 7 KB Aesdorn World's first modern oil tanker, the Zoraster, built for the Nobel brothers of Sweden. 1
09:55, 1 April 2015 Zhao PHOTO USE THIS.jpg (file) 54 KB Administrator1   1
09:54, 1 April 2015 Zappulla Photo USE THIS.jpg (file) 867 KB Administrator1   1
09:53, 1 April 2015 Young Photo1 USE THIS.jpg (file) 1.69 MB Administrator1   1
09:47, 1 April 2015 Yosiro PHOTO USE THIS.jpg (file) 908 KB Administrator1   1
09:47, 1 April 2015 Wilton PHOTO USE THIS.jpg (file) 3.78 MB Administrator1   2
09:45, 1 April 2015 Wang PHOTO USE THIS.jpg (file) 4.84 MB Administrator1   1
09:45, 1 April 2015 Vigna photo USE THIS.jpg (file) 2.37 MB Administrator1   1
09:44, 1 April 2015 Toumazou PHOTO USE THIS.jpg (file) 1.24 MB Administrator1   1
09:43, 1 April 2015 Sun PHOTO USE THIS.jpg (file) 2.56 MB Administrator1   1
09:43, 1 April 2015 Subramanian Photo USE THIS.jpg (file) 3.14 MB Administrator1   1
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