o. 53642. 



Water Wheels. Turbines. Water Drawing Wheels. 



357 



52 637. 1 : 9. 



52 638. 1 : 4. 



52 836. 1 : 8. 



52 639. 1 : 5. 



52641. 1:3. 



52,636. Model of a Fourneyron Turbine, Figure (outward flow Radial Turbine), with visible d. 

 guide blades which are covered by glass; the jacketting is glazed underneath. Model 

 is 85 cm high and 30 cm diameter 9. 0. 



t 52,637. Model of a Fourneyron Turbine (outward flow Radial Turbine), Figure . . . . 



52,638. Water Motor, Figure, suitable as a model of a piston water motor, also for working 

 easy running machines; with wide degree of speed regulation; capacity Vio" 1 HP at 4 atm. 

 water pressure; with 2 lubricators 



52,638 a. - - idem, larger, output 1 / 5 th HP at 4 atm. water pressure 



This and the following size differ somewhat from construction shown in illustration. 

 ~iL',(>38 b. - - i d e in, larger still, output 1 / 8 rd HP at 4 atm. water-pressure 



.">LM>39. Model of the Ship's Screw, Figure, and of the Airship Propeller 



The screw is fitted on a small carriage and can be rapidly rotated by pulling a cord, and the 

 carriage moved backwards or forwards. 



t 52,640. Model of a Wheel with movable Paddles, for steamers 



,15. 0.0 



5. 0.0 



7. 5.0 



9.10.0 

 1. 4.0 



13. 0.0 



52,641. Model of an Archimedian Water Screw, Figure (Fr. phys. Techn. I, 2, Fig. 2313 



[I, Fig. 553]) 1 . 0. 



52.K12. Model of a Discharging Water-drawing Wheel 30. 0.0 



The items marked t are carefully constructed models for Universities and Colleges. cl - 3647, io, 5161, 



812,811. 



