VIII. 613 Cellulose armor for ships.. Cement, influence of sugar upon, H. de B. Parsons. Center of oscillation..... Centre Square (Phil.), W. W. Boiler.... Centrifugal force of belts... IX. 286 IX. 172 VIII. 368, 370, 417 VIII. 215 VI. 588, 593 VI. 447 Centrifugal force of high-speed.............. Centrifugal pumps and their efficiencies, W. O. Webber... Central support for Corliss engines........ Chains, limits of stress in................ versus ropes in cranes Chambered holes....... Change of annual meeting.... Changes of temperature in a Beton house.... VII. 581 IX. 228 X. 829 VIII. 710 IV. 295 X. 462 IV. 14 IV. 402 CHENEY, W. L., a system of worm gearing of diametral pitch..... Chucks for twist drills... CHURCH, W. L., disc., descending smoke flues.. expansion in single and compound engines.... VII. 136 VII. 388 I. 179 I. 154 CHURCH, W. L., disc., non-conducting cylinder linings.. Circulars on commission to test iron and steel.... Circulation in steam boilers.. Clamond light ... Clapp-Griffith steel.. Clark's rule for counterbalancing of engines.. CLAUSIUS, R. J. E., memorial notice of... Cleaning of tubular boilers.. Clearance in engine brasses... Clearances in compound engine...... PAGE VII. 379 IV. 31 IX. 489 VIII. 668 VI. 69 II. 273 X. 842 VI. 581 VI. 854 I. 173 Clutch couplings, mechanism for manœuvring, W. F. Durfee... IV. 311 Coast defense and mechanical problems, Joseph Morgan, jr............. X. 50 VIII. 582 COLE, J. W., disc., tempering of steel... Col. Laidley's communication. Colliery hoisting engines.... pumps.... COLLINS, C. C., a new method for inserting and securing crank pins. COMLY, G. N., economy in lubrication of machinery.. 66 of 1868 to test iron for U. S. Forts. to test iron and steel, and other materials, T. Egleston. Committee, local, New York, 1882. "rules for conducting boiler tests.. standard method of testing materials. 66 standards...... "test commission, report of.... "tests of iron and steel.. "uniform methods of test. "U. S. Test Commission.. .IV. 15, 199; V. 164 V. 170 III. 14 .VI. 16, 359 .VII, 20, 414 .X. 479, 575 .IV. 29; V. 9 .VII. 21, 413; VIIL 17, 346 .VII. 21, 413 Committee, standing, appointed 1880..... to secure reports from U. S. Government.. Common sense in engineering... Communication from Col. Laidley.... on uniform standards for test specimens Comparator, Pratt & Whitney Co... Comparison between different types of engines, C. A. Hague PAGE I. 6 VII. 410 VI. 543 IV. 20 V. 164 ..II. 80; III. 122 Comparative values of metal surfaces for warming air, W. J. Baldwin power, C. E. Emery... Comparative cost of steam and water power, C. H. Manning................... Compound engine. See also engine, compound. Compound engine, economy of..... II. 287 III. 125 V. 310 IV. 250 IV. 385 VII. 361 VIII. 512 X. 499 IX. 548 IX. 545 IX. 654 PAGE Condensation in cylinder as affected by speed of revolution... VIL 379 V. 106 XII. 375 I. 172 VI. 397 III. 151 Condensers, surface, J. M. Whitham........ Condensing engine, cost of................. friction in. Conditions of equal work in Worthington engines... VIII. 493 VIII 495 IX. 419 IX. 466 Consumption of steam at various speeds.. Contamination of driven wells...... Conicograph, a new, A. C. Campbell... Constitution of U. S. Commission for testing materials... X. 722 IX. 329 VIII. 145 III. 99 Construction of an efficiency diagram III. 271 ..... "mill floors... II. 491 Continuous rod mill of Trenton Iron Co., W. Hewitt... COON, J. S., trial of upright boiler and engine at Roxbury pumping duty trials of pumping engines performance of a compound engine..... VIII. 180 III. 290 IX. 476 IX. 492 IX. 548 on the longitudinal riveted joints of steam-boiler shells X. 707 |