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JeffL_2
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CEO
About the Gardner-Denver item
JeffL_2   6/12/2014 1:12:13 PM
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This outfit was known for making "wire-wrap" tools, and the tool shown is indeed a wire stripper for use in that system. It's not immediately clear to me exactly why there's a 1/4" discrepancy in strip length but it has something to do with wrap length being longer than strip length (don't know why it seems like this tool indicates the opposite so maybe there's more than one way of using the tool to explain the further discrepancy). I still have and use some of these tools because sometimes there are few options for prototyping today's ultra-dense chips without first getting a complete PCB, except for using adapters to get back to the 0.1" grid and then plugging in to a wrappable socket. The standard gauge for computer use is 30 but the lower gauge numbers were typically used in telephone central offices since the system was originally developed for Western Electric. You coulld probably do a fairly long photo spread just about all the wire strippers ever developed for this system, and the original hand tools were more frequently air-powered than electric.

I especially recall how challenging it was at the beginning of my career to create and maintain wire-wrap net lists before spreadsheets with at most the assistance of simple editors on minicomputers, and how hard it was to track down and find VCC-GND shorts in a whole rackful of backplanes thrown together in an absurd hurry using the "big bang" theory of debugging, in order to satisfy some manager's premise of a schedule "drop-dead date". I suppose it's even harder to do essentially the same thing at chip level but at least the tools to help you with this are a bit more accommodating nowadays!

MeasurementBlues
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Re: screwdriver with screw holder
MeasurementBlues   6/12/2014 1:08:01 PM
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Antedeluvian, you might be referring to this:

 


Is this some kind of scoring tool for making a line on metal? Yes, that's a wheel on the end.

antedeluvian
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Re: screwdriver with screw holder
antedeluvian   6/12/2014 1:00:44 PM
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martin

I posted it on June 26, 2013

I seem to remember a subsequent blog, where you posted a mystery object (or objects) much like David has done in this blog.

MeasurementBlues
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Re: Bet you haven't got this...
MeasurementBlues   6/12/2014 12:48:11 PM
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This tool pulls and cuts cable ties. Dad also left me a coffee can full of them. I used a few the other day to ties an outsdie cable to a downspout. Not the cable doesn't band against the spout in the wind.



MeasurementBlues
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Re: My Father's Toolbox
MeasurementBlues   6/12/2014 12:43:23 PM
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Here are two screwdrivers with magnets. they work great for picking up steel screws. Brass, not so much.



MeasurementBlues
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Re: screwdriver with screw holder
MeasurementBlues   6/12/2014 12:37:33 PM
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Antedeluvian,

I posted it on June 26, 2013. I still have access to the entire post,but it's no longer public. But I could repost it here in EET. Or I can post some of the 17 images as comments here, like this one.



MeasurementBlues
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My Father's Toolbox
MeasurementBlues   6/12/2014 12:33:57 PM
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Last year on The Connecting Edge, I posted a slideshow called My Father's Toolbox. I kept all of his tools when I cleaned out his house after his passing. Here's a photo from that. This is my favorite tool set.



antedeluvian
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Re: screwdriver with screw holder
antedeluvian   6/12/2014 12:31:30 PM
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Martin

You may recall that last year on The Connecting Edge, I ran a blog called "My Father's Toolbox."

I do recall. Was it only last year?

MeasurementBlues
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Re: screwdriver with screw holder
MeasurementBlues   6/12/2014 12:29:38 PM
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@Antedeluvian

You may recall that last year on The Connecting Edge, I ran a blog called "My Father's Toolbox." Here's a photo of a screwdriver that holds a screw.



zeeglen
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Re: Gnarled screw....
zeeglen   6/12/2014 9:35:34 AM
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@ David - a bit (NPI) hard to see in the photo, but it looks like at least a couple of those bits are Robertson (square)?

One aspect of tool acquisition that the novice must learn is suitability for the job at hand.  Just 2 evenings ago my stepson asked if I had a 3/4" (~19mm) wrench so he could install a new temperature sensor into his vehicle motor - he has never attempted this sort of activity before, and the local auto parts emporium had just done a readout on his vehicle computer port that indicated a faulty sensor.  He was under the impression all one had to do was grab a wrench and go to it.

I warned him that using the wrong tool such as an open end wrench or a 12 point socket could bug up the existing sensor hex portion so that to remove it would require removing the entire motor to get at it.

After we located the temperature sensor buried deep under the pipes and hoses we had to go out and purchase a deep 6 point hex socket of the right length to allow the ratchet to fit between 2 pipes using a 1/2" to 3/8" drive adapter. He learned that a tool collection can be built up over the years as each job asks for just the right tool.

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