INDEX TO VOLUME II. 



477 



MISCELLANEOUS. 



ABRAHAM. 



ABRAHAM'S impact water meter, 



Accidents, railway, 302, 303. 



A<lumson's turbine water meter, 278 ; 

 results good of, 286. 



Air compression and air expansion 

 diagrams compared, 329. 



Air compre&sion, loss of power in, 

 387. 



Air, dry or moist, expanding isother- 

 mally in tube, 353. 



Air engine, loss of power in, 387. 



Air expansion and air compression 

 diagrams compared, 329. 



Air pressure, transmission of power 

 by, 335,387 ; less economical than 

 water, 387 ; losses attending, 336 ; 

 (machinery, defects in, remedi- 

 able, 336 ; dynamical curve of 

 compression, 336 ; injection of cold 

 water into compression cylinder, 

 336) ; saving by, 336, 337 ; under- 

 ground haulage, suitability for, 

 335 ; water injected into expan- 

 sion and compression cylinder, 337. 



Air refrigerating machinery, 318. 



Airy on terrestrial attraction, 359, 

 372. 



American patent law, special advan- 

 tages of, 342. 



Ammonia refrigerating machine, 317. 



Anderson, W., sugar factory Aba-el- 

 Wakf, discussion of paper by, 

 320-4. 



Anvil 1300 tons weight used by 



Krupp, 303. 

 Apparatus, signalling, for German 



railways, 304. 



Armour plate, construction of, 400 ; 

 sandwich, 401 ; Whitworth's, 400 ; 

 Wilson's compound, 400 ; should 

 be yielding, 401. 



BATHOMETER. 



Attraction meter, 381 ; air bulb of, 

 382 ; application of, to measuring 

 lunar and solar attraction, 382; 

 description of, 381 ; expansion of 

 mercury in, compensated by open 

 stand tube, 382 ; horizontal at- 

 traction measured by, 381 ; at 

 Loan Exhibition of scientific ap- 

 paratus, 384 ; mounting of, 381 ; 

 multiplying arrangement of, and 

 applicable to bathometer, 382 ; 

 physical laboratories applicable at, 

 384 ; scale of, 382 ; sensitiveness 

 of, 384 ; temperature does not 

 affect. 382 ; weighty objects 

 brought near to, 382. 



Attraction, terrestrial. Sett Terres- 

 trial Attraction. 



Axles, cast steel, Krupp's manufac- 

 ture of, 303. 



BARKER mill, arrangement as water 

 meter, 281, 285, 286. 



Barlow, Prof., formula of for shrink- 

 age, 402. 



Barr and Macnal's piston water 

 meter, 278 



Bathometer (first attempt at con- 

 struction of, 363 ; description of, 

 363 ; glass tube containing mer- 

 cury resting on cushion of air, 

 363 ; instrument to measure depth 

 without sounding line, 363 ; obser- 

 vations with difficulty of, 364 ; 

 pumping action excessive in, 364 ; 

 scale for, by arrangement of three 

 fluids of different densities, 363 ; 

 scale for, difficulty of, 363 ; soiuul- 

 ings, approximate prediction of, by, 

 3<!4 ; temperature must be uniform 

 in, 361 ; tests of, by Admiralty in 



