182 GENER.\JL INDEX TO EOYAL AGRICULTURAL JOURNAL. 



STEAM-ENGESE. 



Frere, on the effects of impure water, 

 435 ; Professor "Wilson, on the action of 

 caustic soda, 43G; letter from 'Mr. 

 Spiller, on same subject, ib. ; letter from 

 Dr. Voelcker, 437 ; incrustation in a 

 steam-boiler, at Ems, 439; Frcseniiis 

 on the causes of incrustation, ib. 



Steam-kngine, not (1842)sufficiently used 

 in Lincolnsliire (P. Pusey), iv. 305; 

 tlio disc-engine, ib. ; this described by 

 Mr. Graburu, 305. 



, its emplovment in Lincolnsliire de- 

 scribed, by J. A. Clarke, xil. 295, 323, 

 329. 



, a report on those shown at the 



Great Exhibition (in 1851), by P. Pusev, 

 xii. G20. 



, progress of the demand for (Thomp- 

 son), xiii. 313. 



, on those exhibited at the Lewes 



meeting (in 1852), xiii. 318; the en- 

 gineer's i"e]iort on, 330. 



, working expenses of, and cost (Hen- 

 derson), xiv. 138, 



, a report by H. White of the drain- 

 age by, of a portion of IMurtinmere, 

 Lancasliire, xiv. 15(j ; the engine, 1G2 ; 

 the scoop-whcel, section of, 1U3 ; work- 

 ing days and hours, IGG; annual ex- 

 penditure for, 1U9. 



employed in E. Huddingtonaliiro 



(Stevenson), xiv. 322. 



, report on those at the Gloucester 



meeting, xiv. 348. 



, on those at Gloucester (1853), by 



C. E. Amos, xiv. 361 ; the fuel they 

 consumed, ib. 



, those shown at Lincoln (1834), xv. 



374. 



, those shown at Carlisle (1835), xvi. 



50G-509. 



, iis value and use on the farm 



(Denison), xvii. 53, 



, those sliown at Chester (1858), xix. 



31 G ; tables of performances, 317 ; .'spe- 

 cifications and illustrations of tlie prize 

 engine of Eansomc and Sims, 347. 



, the moveable (P. H. Frere), xxi. 



201 ; Eastern Counties' experience, ib. ; 

 rislvs and advantages of letting on liire ; 

 ib. ; charges for thrashing by measure 

 or time, 202 ; number of hands re- 

 quired, ib. ; economy and convenience 

 of thrashing in the tield, ib ; advan- 

 tage of feeding boOers with clean 

 water, 203 ; steam-thrashed straw pre- 

 ferred by stock, ib.; superiorit}' of 

 single dressing macliines, ib. ; condition 

 of the labourer as affected by letting 

 Kteam-power, 204 ; detailed statement 

 of cost of lal)our and repairs, 205 ; 



STEAM-ENGINES. 



causes of depreciation and cost of wear 

 and tear, 206. 



PTEiVii-EN'GiXES, portable, directions ftir 

 working (Ransome and Sims), xix. 430 ; 

 directions as to filling boUer, 431 ; 

 gauge cocks, ib. ; lighting tire, ib. ; 

 raising steam, 432 ; brushing out tubes, 

 ib. ; safety-valve, ib. ; oiling and start- 

 ing engine, 433 ; pumps, ib. ; caution 

 as to water in boiler, 434 ; inspection 

 of l)earings, ib. ; moving and cleaning 

 tlie engine, 435 ; preparations for laying- 

 up engine, 436; importance of pack- 

 ing, ib. 



, traction, see " Traction engines." 



and. thrasliing-machines, fixed or 



portable, their wear and tear (H, 

 Evershcd), xxiii. 323 ; portable en- 

 gines, cost of repairing, 324 ; expe- 

 rience of Lord Stradbroke and Mr. 

 Cottingham, ib. ; of Mr. AVillsher, 325 ; 

 renewal of lirebox, 32G ; fixed engines, 

 cost of repairs, 327 ; Lord Stradbrokc's 

 experience, ib. ; interest and deprecia- 

 tion, 328 ; table of estimates and re- 

 sults, 329 ; yearly average, 330 ; de- 

 preciation of thrashing-machines, 331 ; 

 portable, 332 ; fixed, 333 ; cost of 

 thrashuig Ijy flail and machine, ib. ; 

 cost by single blast machine, 334; 

 ditto, by double blast, ib.; details of 

 working cost of 4-horse power machi- 

 nery, 335 ; portable straw elevators, 

 336 ; chaff-cutting at the time of thrash- 

 ing, 337 ; 5Ii-. Jonas's practice, ib. ; 

 capacity of chaff-houses, 338. 



Steasi - rowER and tluashing-machines : 

 comparative advantages of fixed and 

 moveable engines, and of single or 

 double dressing- machines, prize essay 

 (R. Vallentine), xxiii. 160; portxible en- 

 gines available for thi-asliing and culti- 

 vation, but fixed machines better than 

 moveable ones, ib. ; irregularity of corn 

 samples from double dressing-machines, 

 ib. ; their complexity, liabilitj' to de- 

 rangement, and weight, IGl ; .supe- 

 riority of fixed machines and engines, 

 ib. ; tlieir comparative cost, 162 ; re- 

 newal of boilers, j6. ; maintenance, 163 ; 

 cost of fixed and moveable machinery, 

 ib. ; comparative economy of erecting 

 a &xfd engine and hiring power, ib. ; 

 cost of labour in thrashing, 1G4 ; hired 

 power 3s. per quarter, ib. ; tlii'ashing 

 in and out of doors, ib. ; contingencies 

 affecting hired machines, 165 ; removal 

 of straw, ib.; thrashing in the field, 

 ib.; cost of fixed machinery, Ls. 9*7. 

 per quarter, KJG ; tlistribution of laboiu-, 

 ib. ; economy of straw, cliaff, and 



