to run risks without them to make a decision on which controlling engineer flashes instructions to artists. Fic. 3. Fairey III D Seaplane. Fic. 2. TS D Fic. 4.—Typical day dress of 1925. The object of introducing CH; (methyl) into propane: | CH; CH»: CH» CH; ——— CH;:CH.:- CH, = CH, CH(CH;): Tetrane Propane Isotetrane CH; CH CH; + 2Nal Etnane is converted into sulphate and is often greatly changed before it lived. More support was destroyed by fire, is being produced in almost perfect potential wave may have cost much less. Recent prolonged experiments of Dr. Harry