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	1. Pacific Fisherman Vol 8, No 11


	2. Detail of gears on float at junciton of transverse and longitudinal shafts.... 1. gear on horizontal shaft from house boat; 2. large gear on longitudinal shaft, reducing speed one-half; 3. gear on the einner end of transverse shaft (4); 4. shaft, transmitting power to outer float; 5. longitudinal shaft on inner float; 6. oil box


	3. Detail of propeller shaft couplings. 1. underside of shaft beam; 3. upper steel portion of shaft, which bears gear on tp and enters sleeve coupling below; 4. cast sleeve coupling; 5. set screws holding shafts in coupling; 6. short piece of steel shaft; 7. pipe coupling; 8. lower part of shaft made of pipe; 9. measuring stick made of section 6 inches long

Detail of lower portion of the propeller shaft and its socket in floor of car. 1. propeller shaft, made

4. Detail of lower portion of the propeller shaft and its socket in floor of car. 1. propeller shaft, made of gas pipe; 2. short portion of shaft made of steel to fit into the socket (6); 3. four-way pipe coupling; 4. gas pipe to which blades are strapped; 5. strap holding propeller blades; 6 and 7. socket and flange; 8. upper disconnected steel portion of the propeller shaft; 9. shaft beam; 10. window in bottom of car; 11. base of propeller blade, showing in section the shape


	5. Detail of device for extension and universal movement. 1. adjustable shaft hanger on house boat; 2. ball joint; 3. square shafting, fastened by set screws into ball joint at left, and also (4) into sleeve; 4 and 5. screws through flanges of sleeve; 6. oil holes; 7. square shaft which slides in and out of sleeve; 8. shaft hanger upon side float


	6. Filter car in operation. Short propeller hung about 18 inches below the surface. 1. trough with canvas lining for conducting incoming water; 2. floating shallow bag of scrim used in hatching certain fish eggs. The arrangement of shafts and gears shows well in the figure


	7. View of interior of a car, showing filter of gravel and sand placed over one of the bottom windows. Arrangement ... for rearing very minute larvae, or those for which screen windows are dangerous. The car is calked tight; water is poured over the top by bucket chains...and its only exit is through this bottom filer


	8. Interior of rearing car. Preparing to calk small cracks before lowering the car. 1. side window; 2. end slot; 3. doors for same; 4. buttons to hold doors shut; 5 and 6. the transverse shaft, universal joint, and sliding sleeve; 8. exhaust and muffler


	9. Cleats being removed, the car rises part way by its own buoyancy. Opening doors of the slot at end of car to admit the longitudinal shaft beam allows the car to be entirely raised. 1. cleat; 2. holding-down plank; 3. olongitudinal shaft beam; 4 and 5. side windows


	10. Interior of rearing car, and propeller. 1. slot in end of car; 2. doors for closing the slot; 3. side screen windows; 4 and 5. bottom windows; 6. box covering gear trains; 7. transverse shaft; 8. longitudinal shaft; 9. towing car. The arrangement of shafting on farther float can be seen

Car with propeller in motion. From propeller the shafting may be followed back (1-8) to the universal

11. Car with propeller in motion. From propeller the shafting may be followed back (1-8) to the universal joint. 1. Propeller shaft; 2. sleeve coupling; 3. longitudinal shaft; 4. adjustible shaft hanger; 5. gear trains from longitudinal to transverse shafts; 6. transverse horizontal shaft of float; 7. shaft hanger; 8. ball joint connectin g shaft with that of house boat; 9. edge of rearing box; 10. brace across corner of rearing box; 11. holding-down plank mortised into corner post; 12. shaft beam


	12. Device for throwing propeller out of gear.... This figure shows the propeller shaft gear dropped down so as not to engage the smaller gear on the longitudinal shaft


	13. Detail of device for throwing peopeller in and out of gear. By pulling the lever the propeller shaft and its gear drop....


	14. Filter car with canvas lining. Chain buckets on left. The propeller blades may be seen in the water


	15. Filter car....showing bucket chain in operation. One of the buckets has just emptied itself and the stream of water is faintly shown running into the trough


	16. Raising the car by means of windlass. Repes from the drums of the windlass are fastened by hooks to rings in the lower corners of the car


	17. Cleat at the end of the holding-down plank showing the detail (1)


	18. Propeller removed, showing disconnected shaft. The upper part of the shaft and the coupling are faintly visible under the shaft beam. The photograph shows well the size and shape of the propel;ler blades


	19. Lifting the disconnected peoperrer out of the water. The upper portion of the shaft with the sleeve coupling is seen at 1.


	20. Rearing car raised and held up by portable windlass. 1. slot on 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

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