Choosing a Diamond Tester A guide to buying a diamond tester. Diamond Tester Manuals Instruction Manuals for diamond testers and Moissanite testers, read to see how easy or difficult they are to use; read before returning one as 'faulty' - the problem is usually that the customer has lost the instructions and can't remember what to do! Polishing scratches How to polish scratches out of glass and acrylic. How to Choose a Magnifier Size and magnification explained; magnifiers for reading small marks; magnifiers for working under; magnifiers for the visually impaired. Jewellers Loupes compared Latest jewellers loupes Guide to Weighing and Weighing Machines Digital and mechanical weighing machines: resolution and accuracy explained, how to choose the best balance for your purpose. UV (Ultra Violet) and its use in testing antiques How it works; portable and mains-powered UV lights - reviews of various models. Testing for Precious Metals Testing gold, silver and platinum - the merits of chemical testers versus electronic testers; various models compared. The Chelsea Filter The Chelsea Filter for testing gemstones: Instruction Manual Books Books: details, reviews. Reproduction Victorian Ring Boxes We stock five shapes each of which can be one of three colours, and very competitive prices if you buy more than ten or more than a hundred. You COULD pick out all the shapes-colour-quantity combinations you want, add them to the Shopping Basket and see which prices come up; or you could click on MORE to see a chart showing all the options. How I describe the condition of Secondhand Optics Secondhand items are very rarely in mint condition and I am very precise with my descriptions. Read this and you will know exactly what to expect when you receive the goods. Military binoculars from QUICKTEST Can you buy military binocalrs on the domestic market? Are the Russian and Chinese military binoculars you can buy on the open market 'genuine'? What is Mil-spec? Fujinon Binoculars The FUJINON range of binocualrs including the top-of-the-range 7X50 and 10X50 Military Specification. Fujinon 10X50 Binocular Compared The FUJINON 10X50 binocular compared, an independent review. Geiger Counters and Radioactivity The use of Geigner counters for testing old clock and watch dials, uranium glass (vasceline glass) etc.