ning the Barrels.—The pro- even of miss-fire was reported. cess of browning the barrels involves ♦-•-• several distinct operations. After the THE PHYSIOLOGY OF MAN ON THH bore has been oiled and carefully plugged ALPS. at each end the barrel is boiled for 10 A short time ago a most interesting-… … a cast iron former, of Fig. 3.—APPARATUS FOR MEASURING THE VOLUME OF AIR INHALED AND THE CARBONIC ACID EXHALED granted, and he went to 11899 SCIENTIFIC AMERICAN, INC.
