ILLUSTRATIONS. 



Page. 



FIG. 1. Dipping plant with cage and derrick 15 



2. Vat 16 



3. Cage ! '. 17 



4. Sand glass 18 



5. Tank with heating appliance 19 



6. Plan of dipping plant with slide chute, viewed from above 20 



7. Vertical section of dipping vat with slide chute 20 



8. Plank showing beveled edge for calking . r 21 



9. Sill and upright, showing method of joining 21 



10. Showing a transverse section of swimming vat built of concrete, or brick 



and cement 23 



11. Showing tank, with spring trap, as seen from above 23 



12. Vertical section of swimming tank, showing trap down 23" 



13. Showing front view of spring trap and vertical section of swimming tank . 24 



14. Small or medium-sized dipping tank 1 28 



15. Draining pens ' 28 



16. Crook for handling cattle in vat 28 



17. Crotch for ducking cattle ... 28 



152 



