Description of Edison-Porter steam dynamo, T. A. Edison, C. T. Porter III 218 Designing, intuition in...... VIII. 458 Detent for drum-spring in indicator VII. 498 Determination of costs of steam and power, H. R. Towne... Determination of heating surface in ventilating flues, W. P. Trowbridge Device for friction of valves.... Diagram of friction of lubricating oils.... VIII. 617 III. 69 IV. 154 IV. 338 I. 76, 77 I. 82 I. 84 Diagram of study at Worcester.. Diagrams of specific heat.. Diameters of cone and step pulleys, C. A. Smith Diametral pitch in worm-gearing. Dickerson boilers.. VI. 595 PAGE Die, a novel hammer-head and, Wm. Hewitt... Differential manometer,..... DINGEE, W. W., disc., estimating the cost of foundry work.. VI. 77 II. 98 IX. 395 Discussion of the adoption by the Society of the report of the committee VIII. 426 VII. 824 ...VII. 408, 419 on boiler trials.. VI. 877 Discussion of the report and code for a standard method for conducting boiler trials.. VI. 314 Discussion of indicator cards of Worthington engine.. III. 135 Disengagement area in boilers. I. 270 Displacement and area curves of fish, H. de B. Parsons.. Distribution of steam in the Strong locomotive, F. W. Dean.. .IX. 556; X. 687 X. 110 Divergencies in flange diameters of pumps, valves, etc., P. A. Sangui- Diverging tubes and nozzles, best form of, A. F. Nagle....... Divine, James, on rope transmissions... Dixwell experiments.... DOANE, W. H., disc., experiments on belting.. DODGE, JAMES M., a new method of stocking and reloading coal.... disc., belts as grain conveyers. IX. 270 VI. 412 Drawing boards, recent improvements in, Theo. Bergner... VI. 224 Drawing-paper, contraction and expansion of.. Drawings, a new method of keeping mechanical, C. T. Porter... DREDGE, JAMES, gas lighting by incandescence. Dredging machinery, recent improvements in. Drifting in iron boiler work.. Drill, a new rock, F. A. Halsey.. VIII. 301 II. 560 VIII. 663 VIII. 122 VIII. 123 VIII. 114 IV. 145 IV. 418 VI. 71 Drop press, pressure obtainable by use of, R. H. Thurston.. V. 53 V. 54 DU FAUR, A. F., expansion of steam and water without transfer of DURFEE, W. F., mechanism for manoeuvring clutch couplings. balanced vertical engines... VL 403 IV. 311 IV. 368 66 DURFEE, W. F., experimental steel works at Wyandotte.. disc., adoption of code for boiler trials... ..... PAGE VI. 40 VI. 880 VII. 616 VII. 804 VII. 78 IV. 115 IV. 310 VII. 254 to 270 VII. 390 VI. 859 VII. 387 VII. 393 drilling holes in glass . economical point of cut-off.. engineer as an economist flow of metals.. flying rope.. .... foundations on yielding earth mechanical circulation in boilers.. Meigs Elevated R. R.. natural gas.... non-conductors of heat.... . . . packing for pneumatic engine.. pressures and speeds of journals. ..II. 195, 199 VII. 476 .VI. 659-664 VIII. 322 VII. 802 VII. 815 VII. 121 V. 367 II. 36 VII. 382 V. 256 .VI. 850-855 V. 147 II. 298 VI. 586, 607 sound casting..... .VI. 104, 105, 108 VII. 398 VII. 729 testing small engines... VII. 381 VII. 160 training of a dynamic engineer... the milling machine as a substitute for the VII. 776 PAGE DUTTON, C, S., disc., tractive forces of leather belts... .. X. 772 X. 830 IX. 476 VII. 742 .VII. 765, 768 VII. 550 VII. 274 VII. 631 floating.... IX. 214 improved form of balanced, S. S. & W. O. Webber... Webber's..... IX. 303 IV. 227 VIII. 532 experiments involving the flow of metale, W. E. Ward.. VI. 655 ECKART, W. R., chronograph for engineering purposes. Economical method of heating and ventilating an office and warehouse building, H. I. Snell..... IX. 99 Economical point of cut-off in steam engines, A. R. Wolff, J. E. Denton.. II. 147, 281 by subdivision in operating machinery, J. L. Hornig.. IV. 233 in lubrication of machinery, methods of, G. N. Comly....... single engine.... of fuel in steam engines, methods for, A. Stirling. "low speed in engines.... I. 265 I. 22 I. 22 "ventilation by heated chimneys and by fans, W. P. Trow- |