Show flat water fat wanner A commission sent by the director the french railways to england and germany to report apon she means adopted in those countries for warming railway carriages daring tho winter finds that france has nothing to learn from her neighbors in this respect hoi water foot warmers similar to those in use on french railways being employed almost everywhere on the northern of france railway however an important experiment is about to be tried on a birge scale All carriages even on short distance trains are to be armed and the warmth Is to be produced by means of boxes of of eoda the chemical is put in A boid state into the boxes and these are then plunged into hot water about begs the effect is that the soda becomes liquid on being taken out ct the water the boxes are wiped dry and are put into the carriages by degrees the soda solidifies and as long as the operation lasts that is for about five or eix hours it gradually gevea off the heat it has absorbed in the melting process london news |