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It's pretty difficult to de-gauss a compass needle but some of the equipment on shop counters for de-gaussing shop-lifting tell tales might do it. In my experience, needle problems are usually caused by bubbles and these may have an avoidable source ... Squeezing the capsule between finger...

IME, the NATO/US pattern bottle has a capacity of around 900cc as opposed to the genuine '58 Pattern which is nearer 1.2 litres (the Asian knock-offs are smaller). This makes more sense for dosing with Puritabs and allows space for freezing without splitting the bottle. The wider neck on the...

Naphtha is just a Greek to English transliteration of the Arabic word for crude oil or tar, naft. I've always assumed that Greek Fire was primarily surface tar deposits mixed with something that would burn in a breeze, eg, sulphur, and lobbed from a siege catapult or similar. It makes more...

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Hi, I'm a tracker and nature guide. I live in France but work worldwide. A few people o this forum will recognise me from my username (if they have good memories :-)) I wish you all every success and pleasure from your time in the woods and the wilds. Regards.