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"wienie" wrote in message m... Hi Folks, When in the Air Force, we used 12 ply waxed linen twine to bind bundles of wire together. This was an *+art* that had it's own set of tools (needles, loops, half-gloves, etc). I've tried in vain to find any information other than sources for the tools and the twine itself. I know that most of the knots were named for US cities, i.e. "Chicago Knot". I also know that this practice is still extensivly used at the various telephone company's CO's. Grateful for any information. Thanks and Best Regards, Dave PS: May be folklore, but we were told not to put the twine in our mouths as it was impregnated with minute amount of cyanide to keep the rodents from chewing it. Actually it would stop the eating it again. |
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#2
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Wire and cable lacing info wanted
Hi Folks,
When in the Air Force, we used 12 ply waxed linen twine to bind bundles of wire together. This was an *+art* that had it's own set of tools (needles, loops, half-gloves, etc). I've tried in vain to find any information other than sources for the tools and the twine itself. I know that most of the knots were named for US cities, i.e. "Chicago Knot". I also know that this practice is still extensivly used at the various telephone company's CO's. Grateful for any information. Thanks and Best Regards, Dave PS: May be folklore, but we were told not to put the twine in our mouths as it was impregnated with minute amount of cyanide to keep the rodents from chewing it. |
#3
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On 11 May, Dave wrote:
Hi Folks, When in the Air Force, we used 12 ply waxed linen twine to bind bundles of wire together. This was an *+art* that had it's own set of tools (needles, loops, half-gloves, etc). I've tried in vain to find any information other than sources for the tools and the twine itself. I know that most of the knots were named for US cities, i.e. "Chicago Knot". I also know that this practice is still extensivly used at the various telephone company's CO's. Grateful for any information. Thanks and Best Regards, Dave PS: May be folklore, but we were told not to put the twine in our mouths as it was impregnated with minute amount of cyanide to keep the rodents from chewing it. Dave, I also used to do that work when installing and running fiber optic and high-speed data cables in Pacific Bell. The Chicago Knot you mention is the correct Bell System term as shown in the BSP's (Bell System Practices). For those unfamiliar, the knot would be more commonly known as a Double Larkshead. It's used to start a doubled length of the twine Dave mentioned and this is then used to lash a layer of cables to a rack. If you want to get the full set of practices, the only source I know might be Lucent Technologies, the successor to the old Bell System's technical support function. These are not public documents, and I suspect that you may hit a brick wall if you ask for a copy as they are considered "proprietary information". It can't hurt to try though. Tell them you are considering opening a contracting business using your Air Force experience both in the physical procedures and in handling supervisory duties. As to the matter of the cyanide in the waxed twine, I have to think it's just a story. Those people were so safety oriented that had it been there, I'm sure we would have heard of it. Regards, O J |
#4
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On Tue, 11 May, I wrote:
For those unfamiliar, the knot would be more commonly known as a Double Larkshead. Sorry, I misspoke. Knot tiers would recognize it if I referred to it as a running Larkshead. O J |
#5
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O J sedeth thuslike:
These are not public documents, and I suspect that you may hit a brick wall if you ask for a copy as they are considered "proprietary information". It can't hurt to try though. Tell them you are considering opening a contracting business using your Air Force experience both in the physical procedures and in handling supervisory duties. BSPs is what I am looking for, but didn't know what to call it. I work with all of the RBOC's, so may not be a problem. Now I know what to ask for. In the Air Farce we had something called SIPTO, "Standard Installation Practices Technical Order" which I am searching for as well. I seem to remember that it had the lacing info as well. Thanks for all your help. Dave |
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