Show RARE FLASHES OF LIGHTNING peculiarity of the fluid that defies analysis some fate raie flashes of lightning espe dally iery ery bill bil llant litant linear flashes seem beom to persist for a time and fade gradually on oil lie file background of the ahe sky elty in tile clace of the flash anc ne then bes a yellowish preen green or reddi reddish 11 image of the flash abins mailing rapidly pc details con can bo be distinguished in it were mere invisible in the pil nepal flash according to M touchet this image la Is not merely in the retina for he has haa experienced the file retinal retina image as veil ell as ai the other the retinal image moves s with the eye cye the other does not this afterglow hig bon compared to the train of a meteor or IL fuse to an incandescent electric filament bild to a phosphors phosphorescence the discharges of elec ity in a lightning flash are arc go BO near thi th limit or of of vision about a tenth of an all inch that fla flashes ashes appear to tremble but the he sam barn fact does doea pot not according to to loubet ex plain the tu lui inous furrow above described ho he krefets to tri candes cence of the clements tle ments of the air car iltz to a ghigli temperature by the discharge dih charge to prove this lie he took a photograph of lightning during a thunderstorm on abill 12 it has had tile the aspect of a I 1 ribbon flash that Is to say a bright wavering edge to a dim land band he be thinks the afterglow caused by in gas gae |