Author Topic: Puzzle,what are they?  (Read 1196 times)

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Offline keith

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Re: Puzzle,what are they?
« Reply #10 on: November 10, 2011, 12:13:00 AM »
Was going to make a few more bad puns like 'it might get under your skin' etc... but thought I'd post the pic',don't get to excited :pb: :wsh:


Offline Anne

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Re: Puzzle,what are they?
« Reply #11 on: November 10, 2011, 12:55:26 AM »
A Chance syringe, now that would get under your skin! :24:


Offline Anik R

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Re: Puzzle,what are they?
« Reply #12 on: November 10, 2011, 05:16:15 AM »
Oh, I wasn't expecting that...

Keith, how lovely that you've got the syringes with their original containers. An interesting find, to say the least.
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Online Lustrousstone

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Re: Puzzle,what are they?
« Reply #13 on: November 10, 2011, 07:25:57 AM »
Somebody might like pictures for his next book!!


Offline chopin-liszt

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Re: Puzzle,what are they?
« Reply #14 on: November 10, 2011, 10:44:34 AM »
It's a good while since glass syringes have been used!
I can remember my Dad sterilising them when I was a child, but they were out of general use by the time I started working in labs in '75.

The aluminium canisters were essential to the sterilising process - the syringes were placed inside them with the screw-tops fitted only loosely, so the steam would penetrate inside them inside the autoclave.
(a sort of pressure cooker). When it was safe to open the autoclave, the tops were tightened, keeping the syringe sterile inside.
Cheers, Sue (M)

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Offline keith

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Re: Puzzle,what are they?
« Reply #15 on: November 10, 2011, 02:09:46 PM »
Both needles were attached so,carefully, I removed them and they are inside the tubes.The needles have very thin wires inside,was this to stop them from getting blocked or to clean them?


Offline chopin-liszt

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Re: Puzzle,what are they?
« Reply #16 on: November 10, 2011, 02:23:49 PM »
It may depend on the guage of the wire and the needle and on the size of the syringe.

If a syringe is being used for delivering a very tiny amount of fluid - say anything between 1-25 microlitres, the wire may have been essential for accurate delivery - it would overcome miniscal sorts of problems where fluid sticks to the sides. The wire would act as a much finer plunger.

Or it may be to prevent blockage of the needle.

Injection of lumps of things into people is highly dangerous - they cause embolisms.

But syringes (with needles) are used a lot in lab work as well as for injections.
Cheers, Sue (M)

Three Wise Women would have asked for directions, arrived on time, delivered the baby, cleaned the stables and made a casserole...

And there WOULD have been peace on earth.


Offline keith

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Re: Puzzle,what are they?
« Reply #17 on: November 10, 2011, 04:10:43 PM »
Thanks Sue,the wire is very fine,got to be to fit inside a needle,I've a micrometer somewhere I'll see if I can find it ;D


Offline chopin-liszt

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Re: Puzzle,what are they?
« Reply #18 on: November 10, 2011, 04:25:24 PM »
Having had another look at the size of the syringe, I reckon the wire is simply to keep the needle unblocked. It's not one for delivering minute quantities, accurate to the last ┬Ál!
If it's being used as an extra internal plunger for the needle, it would be attached to the base of the glass plunger.
I can't make out the full volume the syringe holds, but it doesn't look too small. It does look more medical than lab ware.
Cheers, Sue (M)

Three Wise Women would have asked for directions, arrived on time, delivered the baby, cleaned the stables and made a casserole...

And there WOULD have been peace on earth.


Offline keith

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Re: Puzzle,what are they?
« Reply #19 on: November 10, 2011, 06:44:05 PM »
Not attached to the plunger so just an 'un-blocker' as you say ;D

 

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