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Instructions on how to fit a plastic eyepiece graticule & calibrate using a DIY stage micrometer. 
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Clear illustrated guidance on how to set up and use a microscope.
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Guidance on buying microscopes for use by students up to GCSE and at A Level.
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Extracted, and refreshed from the Handbook, section 12. Includes very useful guidance on setting up and using oscilloscopes.
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This edition includes notes on the new Hazcards, an exploding container of hydrogen peroxide,  fume cupboard sash windows; a problem with a Van de Graaff generator and an interactive whiteboard, and g.. more
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In this edition are notes on the supply of cheap but poor quality chemicals, poor quality Bunsen burners, relocating chemicals during and after a refurbishment, a useful technician tip on a way of tem.. more
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An updated procedure to safely look at human cheek cells under the microscope. Includes information on both health and safety and disposal, as well as some suggestions for more detailed work.
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A regularly-updated list of companies which will repair and service microscopes
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A simple investigation, with clear procedural advice, on looking at how chemicals affect the cytoplasm of red onion epidermal cells.
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Details on how to correct the three most common faults found in school microscopes - dirty optical glass, wrong position of "stop" and overtight or loose tension.
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Showing results 1 to 10 of 12
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