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That is a great idea. It deserves to be a centre piece. But if possible you should have a video of the bubbles going through tubing with an explanation of how they function. Anyone who used one will remember that you could predict the height of the peak by the noise it made. Like the speed of cars can be predicted from their noise (Doppler effect) The rapid rising peak meant that it was going to have a flat top (too high to quantify) and so you quickly ran to dilute the sample to add to the run before it finished or you had to start a new run with a new calibration curve (5 calibrants and a standard). A real pain on a busy night. I think I am right in saying Chris Walker was an SHO in London at the time was looking at the peaks coming out. Being far more intelligent than the likes of me he used calculus to predict the height of the peak from the rate of change of the base of the peak which was one of the fundamental changes that led to the SMA 6. It may be apocryphal but though Chris has since died I am sure other Chemical Pathologists can confirm it. He was Mr Technichon in McMaster, Hamilton, Ontario. A truly amazing man. It might be nice to let children or adults hear the noise the different height peaks made so the could try and predict them and explain how simple calculus led to automating it. Just a thought Liz Elizabeth Mac Namara On Jan 23, 2016, at 09:06, Mike Addison <[log in to unmask]<mailto:[log in to unmask]>> wrote: Thanks to the many individuals who replied to my previous email. I was taken aback by the number of responses, including those from overseas. It was my intention to reply individually but there are simply too many so please excuse this general acknowledgement. My interest in these analysers is because I have a very minor input into new medicine galleries for the Science Museum, Amongst their collection is an old AA1 (I am not sure how complete) and this is likely to form part of the exhibition. It would be brilliant if this were set up properly so I was hoping to find someone who could assist. Ideally the individual should be London based or have easy access. I have no personal experience of Technicon being an immunoassay man so if those who replied from London wish to contact me again I will put a couple of names forward to the Science Museum. In addition one or two respondents said they might have bits and pieces of AA1 equipment> If you are willing to donate these to the Science Museum please let me know what you have. Many thanks again. You are all truly wonderful Mike Addison ------ACB discussion List Information-------- This is an open discussion list for the academic and clinical community working in clinical biochemistry. Please note, archived messages are public and can be viewed via the internet. Views expressed are those of the individual and they are responsible for all message content. ACB Web Site http://www.acb.org.uk Green Laboratories Work http://www.laboratorymedicine.nhs.uk List Archives http://www.jiscmail.ac.uk/lists/ACB-CLIN-CHEM-GEN.html List Instructions (How to leave etc.) http://www.jiscmail.ac.uk/ ------ACB discussion List Information-------- This is an open discussion list for the academic and clinical community working in clinical biochemistry. Please note, archived messages are public and can be viewed via the internet. Views expressed are those of the individual and they are responsible for all message content. ACB Web Site http://www.acb.org.uk Green Laboratories Work http://www.laboratorymedicine.nhs.uk List Archives http://www.jiscmail.ac.uk/lists/ACB-CLIN-CHEM-GEN.html List Instructions (How to leave etc.) http://www.jiscmail.ac.uk/