Congenital Cystic Disease of the Lung

Bars ~ in. or ~. in. diameter, 12 in. long, 2 1 gal. petrol or other tins fitted with "chicken feed" drippers, or other suitable supply devices, e.g. tapSy 2 Sheet iron plate, 2 ft. 6 in. square" with circular hole 11 in. in diameter in centre. and with the edges turned down 3 in. Note.-The inner container is made from one· 5 gal. drum and the flue. from two similar drums. Note.-These are in place of the 10 gal. drum used in No. 1. Other materials are as for No. 1.