Two German providers joined to develop and manufacture coaxial cable for the German government. After several shorter tests, a 200-channel, long-distance, coaxial cable entered service between Berlin and Leipzig in 1938. In Britain, a 40-channel coaxial cable opened between London and Birmingham in 1936, and a submarine coaxial cable to the Netherlands the following year.

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QjLr7lcvQtx3L9bRm6kVxj8LK2lqgqTempMcG3r5nRjUv?/APDbFX1+RTaFCGC6jfSw9mdCnRv1G71KSJ2ly62G7Sq6D4ZHedC6NMqCWo2lzIOS1VyalKMloX5qPI0yjxWfyZG0ORODXWipPmdqpSUinVwd?+D7SZUrPo3tiWFnZ3dGT6ceT9+PXzXE+g06qmlKLTi1dNcT5d/CSjms+pZeJ3dhbclRtCouhfLXL/Brjmyzw329uDXTrqaTjxNiNWKQAEOfj5527ikb8VK8u9mk5+S/yc/Jf5AAM2QQSUdqY/wBRBKK3qs8oR6/efUhJtaS26jRtfaLh?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?/M2zs0QOS0t+L5M7Ho9VvUkuefhdHJxa3Xcs+jta1eK5pl8fbPOdPZAA6HKq46ndX7jmnanG6aOTXp7sjLlnW2XLjubeJ2zUk8ZVbumt2MeHRS/S7Zrp4rhLx4d6PWY7AU8RG1RZr2ZLKS7H+x5faOyatDOznT9+K0/uXDt0KSyurg58dTG9HqIPNZJ967uRi61naa3eTWlirSquOcXk?+9MtU8RGWUrLqen?+CzsZTqKKvdPlZ6mNGD9uXtPTqMnh1w53s+PUmYRxGdqis?+dv1RA2muvVt0bXb4f7xJqVVFXTTfCxFClbpS9p558EBnaMVfqSfkijWq3e8+5fsjZiK288vZWnmdb0d2XvNYiouiv+KL4/wBb/bxJ9dsuXkmGO17YOy/Ux9ZUX82a09yPu9vP/B1wDK3byMsrld0ABCobsLR3pZ6LXyNUIOTSR06cFFJI048d3bXjw3dswQDpdQAABDAYG1AhEgAABJAAAAASSQAgJIASwrey+w8J6QS3m+/9T2+MlanLsPBbXldsw5a1445WChalnleTL+Dld2OfGSjBIvbKzkVraO1TWRtUrLMwsRr3Bdmrz7CxTpRXI0b9jVPEMaNLzcTRNpFKVdkesfO5KNLW8baUylGobqU8yNIX7mMiaauiZxyKipVZplIyxErFKpXLC0pmSqIrwg3q7fN+BlKhbjPwJ0LCkiY1LdhS3mutGylVzI0aNqf8TfWjRsqravRfWWsdC9GXc/mcahU3a0Evwv8AyFa?+noGNOV4prirmR0OQK2Ko7yvxLJAQ4jVgdDFYa+a1Oe1Y5s8PFzZ4eLk47YFKreUP5U3nePst9cfKx5zG4KpQdqsbLhNZxffw7Ge5MZwUk1JJp6pq6ZEy/bTj58sP9jwtOvKOWq5MsxqwmrPwl?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?/LdinG9095I24XYs1JOTjlwWfia6jPdegp4unVV4tX7TJRsynhtjpO7v3ZI69LDRtYzrWE86U/wC1nnKztVT7Genqx3acl/S/0PMVs59hVD6JsPE79FResV8jpHl/R6s91W1WR6WnUui?/FnuarmzmqzIYDNmaCviMMpZrJlggexyKlNxdmYnXnBSVmrlOrgms459Rhlx/phlx/pUNGKwlOtHdqRUl16rrT4M3yi1qrAy9Mu487W9G5KX8qotxq1qiba71qdjZ+Bhh6ahDtlJ6yfNloE3K1fLlyymrQAEMwAATCO80lxOpCKSSWiKmBhm5csi4dHFjqbdPFjqbACDZsAAhIAABDAYGxEkIASCCQgJuQAJBAAkkgkAAQwORt99Fdh47GeZ7H0hXQieQxa?/RnJy?/2dPH6cjC3dWm+N7fI61WVpwfXmczA/8ANZ+9kX8W80TW3uPQU3dG6MSjgqm9CPYXoEUROPJFWpu8VbvsdGKIqUk?+Fxs05NShF5p270jX6pLWXzudGWFi/wAKCwa5WLeatxUqLafRv2stxTeruzf6myyG5YrctkjOirNFmTK9LUslU6Ua8CjOi?+F13nUxECuo3G0WOVUpyTzin2pE05T/AA00vA7Eaaepl/DRJ8iRzIRm/aZuvYvxoI016aJlXiji6tqM31f4PNTlaq1z/U9Hj1ajU7P3PMYj/lT52JZ5PT7CrWkuT/U9XCeV1qtes8Rsmpmuo9tg3vQTKYTvTDkWIS3ldGdzTGNmbTqxrGpIALICCSAMZwUtVcrVMCvwu3bmWwRZL7RZL7cyeGmuF+w1NW1OuRJJ6ozvFPwpeKfhyCS3jalClHeqyjBdub7FxPNV/SWkqloQm4c20n3Iplx2E+Nnf69u0CthMdSrq9OafNaNdqLBmwuNxuq4+0/SGrQqSpUlFWs3Jq7u0capt3FSedaa7Hb9CfSGNsXPrUX8v8HMZ0Y3p7nBhj9eN1+HYw+3sQmr1Zu3Wd6j6RT3E92Mstc0eKjKx0sDVXq9eLuZctyxnlKx?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?/FE61GuN2uRlmbVMqRmZuoVrRYnWyKlaq3kjXUrEYfN3IitbqVLLM04jDXVlpyZciid0srHHp7OjHSKRm6cllY6bpEKmFtuS8I280b6GH3ToOCG6iKbaacbmlvclbgy03YqYlKXaQq3uqaZTNMZ5EbxMWczbOMaluJ5WW8jn3M9oxXrp8rlfeNsfTXj3PbcDUpEqoWX2zuHcw3y7s/AzxDajZJat6BFrr7I6NKnJc87czvV92dGSSWa70cXZ9F0W6MmpJ5o7mGpJRsZb0xzu3IwNW3RescjsU55HL21Q9X/NgtNVzRZ2fiFOCaeTV0ZWK27i1icOqtNrw7TmYavZuMspLJo7cDjbbwji1WprNe0uaGlccu9L6qZZFfaGEjiaUqc?+OnU+DNeCrqUU+ZdiInLp8/xVCdGo6c1Zr5rg0aXI9nt7ZqxFO6X8yPsvn1HiHk7PJrVHRjdtcctxk2Y3JhFydopt8krs7WzvRbE1rSmvUw5z9r4dfEvpGWcntxLl?/Z2ya+JlanB24yl0Yrv8j2mzvRnDULNx9bP3p5rujodlK2hMjDL5H/AFczY2xKeEjl0qjXSm1n2LkjpkAs5rbbupIFwEBJAAzizI1I2J5AbkSQgEAAAkkhEgAAEJBFzk7T2oo3jHUrllMVscbW7H7RULxi8+LODicQ2r/72mWGw88Q207R4yfzsaalNSqqnG+6sr/qzmzytb4yQwsNym5vWWnYczFy6S5L9WdTHVEsl/qORJb0rd7M1mqhSy3ms+FzDEPI3Tnd2WhXxDuWirmYj?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?+l1xev8AvUIyl7dGFU2yakrPQoUaiaTWjN3rbFU2Oa6ToVbL2JO8ep8jowndGnGw9ZBrjqithq94566MLe1+U+BRobBw1avKdRSbee6pWi+byzN28tdWIVXGSktUy?+OWqizrp2MNg6VFWpU4QX9KS+ZuMYTUoprRknU47v8AKSAQSJIBAEggkJBcgASZxeRrMokiyiSECFUggkASQAMiHJLU1Tq2dlmyvUu875meXJIvMNm0MS1G1Nbz6jh0dm1Kk71VaF7vO7kdV73UZqb5GGWVyu2kmompG9P1cFuq1rlLD7J3G3vNt8bFz1z5B1nyIt2mTShPY0W7uUn4I1y2PSSaUXnxu7l+WIfI1vFP3WUXkcKpsKUbum7rgn5nHxmFqQvvwa6+Hie3hi4vUzkoSVsiYix80qR6T6kUqmR73aOwaU1JxW7JrWPkeK2lgZ0Zbs12NaM2wy2iyx1tj7U30oTfTWj5rzO1Tnc8FFtdR3dl7Wk2oTV+UvMnLD8xbHP9vSt5GMUaKda?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?/8AWYw9pvwbLSd9L3GRxdqbNlh52vvRfsy/Z9Zs2dDNMna20PX2SVkne74ljBQ6Nza267c2UkvTp0NC5SqtalHDMtGdiZV+k0zf6pM5dOo49h0KFdNFNLNvqAsOjYqiMJViwiVFIrV4I2yqMq4ipzINK1eShFt6I5u+5Pef/wAMsVW9ZKy9lfM1VG0klqyKmst/NvghRyd75mPsw62YxqfoFFqm7uyNtLjc1YT20+BFOpapKPBaEUbMYnGKa43ZpwlbdfSeT4fuWcZX3LZq1tHnfuNEZ0Zq7Ti3128CZ6NO/gsTkoS0ej5DGJ0qkZrRuz?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?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?/WbKWb6jhraU+UfB+ZnHa1RcIeD8zTS/wD9GD0VFqU1Fas7+BdlY8BQ2zVpy3koN9afmXKfpXiI6QpfDL6jPLC1TPmxr6FBmFekpKx4WPpniV+Cj8MvqM/ttivy6Hwz+op9eTL7MXrcO3HoS1WnWi5TR4GfphiH+Cj8MvqM4emmKX4KPwz+ofXkn7MXv9001Kdnc8V9ucV+XQ+Gf1Gufprin+Cj8M/qH15I849/QrWIxUla58/Xpjifco/DL6iJ+mOJkrONL4ZfUR9WSfPF6nEVs7I6GBw3q43l7b16uo8DT9KK8ZqW5SbWl4yt/wCxZ+22K9yh8M/qNcMNe1c+SXqPfg8B9tsV7lD4Z/UPttivcofDP6jVlt78i54H7bYr3KPwz+ofbbFe5R+Gf1A297cHgvttivco/DP6h9tcV7lH4Z/UE7e8lmmc+rU3nrmjyMvTPFNW3KPwy+o0v0prv8FL4ZfUTFscpHrpNmtvJnk?/tPX9yl4S+ofaav7tLwl5k7aTkxcUAFXOAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAP/Z" width="306px" alt="at&t glass insulators">

All genuine purple Hemingray No. 9s have the embossing “HEMINGRAY / NO. 9” on the front and “PATENT / Could ” on the reverse. Click right here to verify out my web page on the so-referred to as “Crackle Glass” insulators. Bought this was since I believed it was green but it turned out to be the extra usual blue/green.

h2>Vintage Hemingray Am Tel & Tel Co 4" Threaded Aqua Glass Insulator Telegraph</h2>

In Europe, a shorter but no much less significant line opened in 1894 in between London and Paris, some 275 miles . https://marcussen-pereira.thoughtlanes.net/insulator-clear-glass By the mid-1890s, phone transmission had evolved far from the methods inherited from telegraphy. The majority of the most generally located forms of glass pintype insulators have only nominal monetary collector value, possibly 50 cents to a dollar. That includes the incredibly widespread varieties such as the Hemingray-42, Hemingray-45 and Whitall Tatum No. 1 and other folks. Nevertheless, even inside the typical forms of insulators, slight variations in color, embossed markings or base variety can make big variations in the industry value of a distinct piece to experienced collectors.

ul> <li>On the other hand I in no way looked at them mainly because I thought it was a scientific use insulator that was unrelated to what I was interested in.</li> <li>Sheldon Hochheiser is archivist and institutional historian at the IEEE History Center in Hoboken, New Jersey.</li> <li>In the 1956, a joint U.S.-British effort led to the application of coaxial technologies to the 1st transatlantic phone cable .</li></ul>

Diamond-I mark on bottom of amber bottle created by Illinois Glass Corporation. OVG monogram on the base of a “Daisy & Button” shoe toothpick holder in amber glass. You have a whiskey bottle or decanter created by Owens-Illinois Glass Corporation.

h3>Digital History Museum</h3>

This certain bottle was created by Owens-Illinois in 1984, as indicated by markings along the reduced heel of the bottle . Once again, it depends on a mixture of traits such as degree of scarcity, condition, demand, age, shade of color, attractiveness, and other aspects. Broken insulators, speaking strictly of monetary worth, in most circumstances are worth only a smaller percentage of the worth of an otherwise identical “Very close to mint” piece. As I’ve pointed out elsewhere on this web site, my main goal here is to concentrate on the background and history of the glassware being discussed, not on values or rates.

h3>Collections Search</h3>

Named the L-1 Coaxial cable program, AT&T created a single installation in 1940 involving Minneapolis, Minnesota and Stevens Point, Wisconsin before World War II brought a halt to the system's expansion. Soon after the war, building of coaxial cable lines resumed. By 1948 over 5,000 route miles of L-1 coaxial cable have been in service, offering telephone circuits and television networking facilities along the east coast and west to Chicago and St. Louis. Three enhanced and nonetheless higher capacity systems followed, culminating in the L-5 system in the 1970s, which had 22 tubes, and a total capacity of 132,000 phone calls. By 1980, L-5 Systems supplied just about 66 million voice-miles of capacity in the United States. Espenschied and Affel made a workable program, with appropriately sized copper wires and tubes, held in concentric symmetry by spaced dielectric washers, with signal strength retained with repeaters.


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Last-modified: 2023-10-22 (日) 20:48:51 (199d)