Comment on: “Shell Altitude vs. Mortar Length” by R. Dixon

Shell Altitude vs. Mortar Length R. Dixon Review by Clive Jennings-White Ron Dixon has presented results on the correlation between the altitude achieved by a 3- inch (76-mm) shell and the length of the mortar from which it was fired. Provided that the mortar length was at least 18 inches (457 mm), there was no …
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Comment on: “Review of Pyrotechnics” that appeared in Issue 18, Winter 2003

Ron Lancaster In the late 1960s there was only Weingart’s Pyrotechnics, and it was a suggestion of a rewrite to the Publisher that led to my own first edition in 1972. As we have grown in experience there have been two further editions. It has been interesting to see how many little bits of new …
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