BuL. U. S. B. F., 1908. 



Plate XCII. 



Fig, 5. — Rearing car raised and held up by portable windlass, i, slot in end of car through 

 which the longitudinal shaft runs when car is raised; 2, longitudinal shaft; 3. side window of 

 car; 4, portable "horse" and windlass. 



Fig. 6. — Interior of reaving car, and propeller, i, slot in end of car; 2, doors for closing the slot; 

 3, side screen windows; 4 and 5, bottoiu windows; 6. box covering gear trains; 7. transverse 

 shaft; S, longitudinal shaft; 9. towing car. The arrangement of shafting on farther float can 

 be seen. 



