Show by smoke from frost experiments in tho the mailing of artificial clouds for the preservation of plants from tho the effects of frost took place yesterday in the jardin under tho auspices of tho the agricultural society masses of resin ous matter iu in loses boxes of pinoN pi were set alight and soon eoon gave off de dacso volumes u ol 01 moke this was expected to produce the required nebulosity lut but it failed to rise to tho leveloff level of the situation and was blown away in the direction of the seal pond experiments of a similar kind havo have been tried with more success in tho the gironde girande vineyards the proceedings in the jardin ma tation were watched by several staff officers who wished to seo see if tho new invention could be utilized for military I 1 purposes fuch euch as the masking of exposed troops or batteries in time of war paris paria cor loudon london telegraph |