Journal of Pyrotechnics Archive http://www.jpyro.com/wp Dedicated to the advancement of pyrotechnics through the sharing of information Fri, 23 Jul 2010 07:43:28 +0000 http://backend.userland.com/rss092 en ShellCalc© V4.12 http://www.jpyro.com/wp/?p=1193 UK Fireworks Surveillance for Compliance with ADR and the UN Default Classification of Fireworks http://www.jpyro.com/wp/?p=1186 Defining Flash Compositions: Modifications to UN Time/Pressure Test http://www.jpyro.com/wp/?p=1176 What is a “Safety Distance” for a Shell? http://www.jpyro.com/wp/?p=1164 Subscription Agencies http://www.jpyro.com/wp/?p=1160 JPyro – Issue 29, 2010 – Contents http://www.jpyro.com/wp/?p=1152