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Our Web Site has been designed to be viewed using at least Microsoft Internet Explorer 11.0 (or an equivalent browser) using a typical screen resolution of 1024x768 or higher.

This web site was designed and built by Revell Research Systems, who can be contacted at

The site has been designed to be compliant with the prevailing web standards to ensure that it is accessible to the widest audience possible.

It complies with both the XHTML5 and the CSS3 standards. The site has been validated using the W3C validators for these two standards.

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The web site has also been marked up semantically using RDFa and JSON-LD to support the Dublin Core, and Open Graph protocols.

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This web site is operated by Bearnes Hampton & Littlewood Limited from a server that is located in England.

If you have difficulty using this site or are unable to access some parts of it, please do not hesitate to contact us. We will endeavour to rectify the situation and will provide the information you need in an alternative form in the meantime.