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Show Illuminated Projectiles, JH The French mivy bus recently be- kB gun experiments with the luminous shells employed for a year past In America. These i-hells have n hollow mI In the reqr nnd containing llroworks I powder, which Is liillnmed as the shell iH quits ilw gnu. mid leave a luminous nnll In the Ulr, etialillng the gubiur 1 ' ui night to follow the course of i ' aM projectile, and de'enutne whether r not It reaches Its object. Without 'Jfl some device of this kind It Is Tory '1 dlttlcult In firing over tho ten, In the daikness to ascertain whether the jLH """ 1 '- daytime a Jet of wutei whore the shell fulls tells the story. , Jl - ., ...w., 1 |