Year 1990 Summary: 100th Issue, Sodium Chlorate Warning, Novice Corner, Pro Fax, Round Corner, Lifting Charges, Cheap Daylight Shells, Pyrotechnic Mistakes: Parts One & Two, Double Voice Crackers, Strobing Rocket, Pass the Saltpeter Please, Double Petalled Round Shells, Rocket Tips, Micro Mines, Simple Techniques for Testing Unfamiliar Compositions, Push Stick Aids Low Breaks, Test your Pyro IQ, Pyro Trivia, Sticks for the Picking, Confounding Compounds, Crackling Micro Stars, Pyro Uses for Thiourea, Fire Balloons, Screaming Banshee Rockets, The Many Pyro Uses of Wax: Parts One & Two, Blasting Machines in Fireworks.
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