INDKX TO VOLUME //. 



479 



IlKYAN. 



Bryan, Ponkiii & Co.'s water meter, 

 278. 



Market or cistern water meter, 276, 

 -'77. 



Hanson and Kirchhoff's researches 

 on tin' solar spectrum, I 15, 44C. 



Hutlcr, 11. .!., hydraulic compressor, 

 application of to stationary field 

 guns, 417; recoil, forces and 

 strains of, considered with refer- 

 ence to the elastic field gun 

 carriage, discussion of paper by, 

 417-418. 



CAURK'S refrigerating machine, 325. 



Carriers, velocity of, in pneumatic 

 tubes, 352. 



Cast-iron ball floating on bath of 

 cast iron, hypothesis regarding, 

 408, 409. 



Cast iron, costly for high pressure 

 vessels, 389 ; in expanding ab- 

 sorbed heat which became latent, 

 hypothesis that, 409 ; fluid expands 

 in setting, contracting with cold 

 afterwards, 408. 



Catoptric and dioptric lights, 311, 

 312. 



Catoptric system, for short distances, 

 312 ; (reflector must be kept 

 bright, 312 ; nickled, 312 ; para- 

 bolic, 312) ; simplicity of, 312. 



Chadwick and Hanson's water 

 meter, 278. 



Chalk water system, 385. 



Chunce, J. T., lighthouses, optical 

 apparatus for, discussion of paper 

 by, 311-314. 



Chrime's piston water meter, 278. 



Church, J., gasmaking, clay re- 

 torts for, discussion of paper by, 

 297. 



Cistern and bucket water meter, 

 276, 277. 



CULLEY, B. 8. 



j Clairaut on latitude effect on terres- 

 trial attraction, 372. 



Clarke, T. C., large iron railway 

 girders, design of, discussion of 

 paper by, 397-399. 



Clausius, temperature in focus not 

 exceeding that of radiating sur- 

 face, 449. 



Clerk, Colonel, hydraulic compres- 

 sor, application of to stationary 

 field guns, 417 ; hydraulic com- 

 pressor taken up by, 331. 



Cold, artificial production of. See 

 Refrigeration. 



Combustion retarded by sun shining 

 on flame in focus of a parabolic 

 reflector, 446. 



Comets. See Solar Energy, conser- 

 vation of. 



Compound armour plate, Wilson's, 

 400. 



Compressive strain inside and ten- 

 sile outside tube, how distribut- 

 able, 405. 



Compte's statement regarding im- 

 possibility of knowing material of 

 which sun is composed, 445. 



Conservation of solar energy. See 

 Solar Energy, conservation of. 



Convection, effect of pressure on, 

 441. 



Cooling by expanding cooled com- 

 pressed air, 318. 



Copper packing rings, 394. 



Corrosion in steel of different tem- 

 pers, 396. 



Cowper, E. A., Siemens's pneumatic 

 system recommended by, 346. 



Cranes, presses, application of hy- 

 draulic power to, 387. 



Crookes's experiments on heat lost 

 by convection and conduction, 

 441. 



Culley, R. 8., pneumatic transmis- 

 sion of telegrams, discussion of 

 paper by. 346-356. 



