Cutting a non linear spiral thread

[Keith LongParticipant @keithlong89920]

Hi Brian

Glad you found them – I'll have to look on the Tee stand at the Manchester Model Eng. show in 2 weeks.

I've just ordered vols 1&4 of "Ingenioius Mechanisms" £25 inc. delivery from ——OXFAM!!

It's amazing what a wide variety of books they have, pot luck as to whether you can find the one your after as it depends on what's been donated, also you're likely to get older editions. In model engineering the age of the edition doesn't usually matter so it's a resource well worth remembering.

Keith

[Brian WoodParticipant @brianwood45127]

I trawl those shops frequently, but it does depend on where you are for real gold.

Here in Thirsk/ Northallerton area the usual fodder is completely non technical, Darlington used to be good but most of the industry has left there now. 2nd hand books shops can be worthwhile, there is a decent one at Saltburn on the coast, but the best is probably at Alnwick in Northumberland, it used to be the rail station and a mecca on the few times we travel that far north. University towns are better too, Durham was well stocked at one time.

Brian.

[Keith LongParticipant @keithlong89920]

Ah the trick is not to trawl the shops physically but to do it via the Oxfam website.

Oxfam make a bit of a speciality in dealing in second hand books, so anything that they think is worth while is indexed onto their website, and you can order it through there regardless of where it is in the country. The two volumes tthat I've just ordered were in stock at Beeston, Nottingham – but I'm just over the border into Wales on the outskirts of Chester. No problem, complete the order on line, pay by card and they'll be here in a couple of days. Postage is very reasonable as well, just under £4 per order.

Keith

[Michael GilliganParticipant @michaelgilligan61133]

Brian,

The PDF of "507" was an excellent find, thanks.

I have ust downloaded it onto the iPad

MichaelG.

[Sub MandrelParticipant @submandrel]

Keith,

57% and counting on gthat pdf. Looking forwards to it!

Thanks

66% now!

Neil

[Brian WoodParticipant @brianwood45127]

Hello Keith,

I went to the Oxfam site yesterday, what a selection. The classification system is a bit haphazard I thought.

I also found Ingenious Mechanisms after a prolonged search in 'reference', there was no mention of it under 'engineering'. There was also a lot of duplicate entry which rather diluted the value of the filtration.

As a source of material perhaps as good as you might expect, but rather tediously clanky.

Did I buy Ingenious Mechanisms? No, it had sold out when I found it, probably to you!

Thanks though for the tip, it had never occured to me.

Brian

[Keith LongParticipant @keithlong89920]

Hi Brian

Yes the Oxfam site is a bit clanky, and the indexing certainly isn't to library standard. I've found it works best if you've got a title or part of, or an author's name to search for, and some "treasures" do turn up there. The daughter of a friend is in the final stages of studying to become a vet, and on occasion has spotted some possible text books on there – fortunately animals don't get re-designed too much so older book editions are still useful as reference works.

Yes it was me that got the "Ingenious Mechanisms"!!

Keith

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