Show i I v a kin Device j nii The fogging of show windows It n 11 r they are of the boxed ln type may tt shull I prevented by placing a n Hat fiat glass porcelain dish containing on iii hI chloride In the window This substance quickly absorbs PO pose e. e from the air nil with the result that tX o raar n moisture Is prevented from con Cal l against the outside glass says rince Jar mr Science Monthly I I The contents of the dishes must stood l renewed every two or three da days sr M Il ly lythe the moist calcium chloride The p dried after which It may be nd i 1 again |