Ne S | Austria-] Bel- | Den-| Fin- | Ger- | Prus- | 7, , hae aes Scotland USA, Australia France maniy sia Japan o IQII 1920 1925 Horses 176,530 169,148 157,000 Mules . 11,577 14,981 15,000 Milch cows 560,770 587,462 224,000 Other cattle im a coiled pipe or nozzle. d, entropy of vapour; s, of liquid. W, Work. N, Cross-section of pipe beyond which