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Bitumen Boy
Joined: 26 Jan 2012 Posts: 1735 Location: Above the snow line in old Monmouthshire
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Posted: Tue Sep 26, 2017 3:23 pm Post subject: What have I fetched home from the tip? |
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The other week I went to take some old cooking oil to the tip, amongst some other stuff. The bank for old cooking oil is next to the one for old engine oil and, quite sensibly, they leave a wheelie bin handy for people to dump the old bottles and cans in, where I spotted something interesting, lifted it out and put it in the car - and forgot about it until just now.
It's one of the old tinplate cans (still sealed!) with a screw cap that used to be quite common containers for oils and other chemicals, no capacity listed but it'll be roughly a pint. Labelled as "Manometer fluid" from a firm named Airflow Developments in High Wycombe, it is apparently pretty flammable stuff with a flash point of 54 degrees C. I'd hazard a guess someone filched this from their work at the colliery/factory/wherever back in the day and it's sat on a shelf in their shed until one of their children or grandchildren has cleared the place out.
The question, then, is what is/was it used for, and is it likely to be of any use to me now - or should I quietly drop it off next time I go back to the tip..? |
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Peter_L
Joined: 10 Apr 2008 Posts: 2680 Location: New Brunswick. Canada.
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D4B
Joined: 28 Dec 2010 Posts: 2083 Location: Hampshire UK
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Posted: Tue Sep 26, 2017 8:54 pm Post subject: |
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Yes Gas Engineers use Manometers......
The chap who came to work on our Boiler had one |
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Penman
Joined: 23 Nov 2007 Posts: 4756 Location: Swindon, Wilts.
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Posted: Tue Sep 26, 2017 9:46 pm Post subject: |
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Hi
The one who does mine uses water in his U tube type. _________________ Bristols should always come in pairs.
Any 2 from:-
Straight 6
V8 V10 |
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Rootes75
Joined: 30 Apr 2013 Posts: 3814 Location: The Somerset Levels
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Posted: Wed Sep 27, 2017 9:00 am Post subject: |
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I was chatting to a chap the other day who I haven't seen for 10-15 years. He said he now works at a local Viridor recycling centre and whilst we were chatting about our interests in old stuff he mentioned that in their 'keep' container they have a lot of vintage motoring pieces that have been put in the skips.
Lots of old metal petrol cans with brass tops and some nice oil cans too but most interesting was a Shell petrol pump globe brought in not long ago, he said the only damage is a crack in the rear base of it!! _________________ Various Rootes Vehicles. |
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PAUL BEAUMONT
Joined: 27 Nov 2007 Posts: 1281 Location: Barnsley S. Yorks
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Posted: Wed Sep 27, 2017 12:05 pm Post subject: |
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Back to the low flash point - I can only guess that that is incidental and for whatever reason - probably accuracy - a low density liquid was needed. Most of these have a low flash point - but I guess it is the density that was the needed feature. |
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Bitumen Boy
Joined: 26 Jan 2012 Posts: 1735 Location: Above the snow line in old Monmouthshire
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Posted: Thu Sep 28, 2017 10:46 am Post subject: |
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It seems from having a look online that there are various manometer fluids that can be used for different jobs, from simple water at one end of the scale to pure mercury at the other. The one I have appears to be still current but is of little use to me - at least for its intended purpose. Of academic interest only (to me at least) is the possibility of balancing twin carbs using a manometer, similar to the way some will use a vacuum gauge - has anyone ever done this?
Unless someone knows of another use it may be put to I think I'll be dropping it off at the tip again the next time I go. Did think of fleabaying it but the low flash point means it's not strictly speaking postable and paying over the odds for a courier doesn't appeal when I'd be listing at 99p start to avoid the listing fees! |
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