664 



INDEX. 



Tact,. 



Stars, binary, orbits of.. Git) 



Stars, shooting 624 



iStciimboat, a fast 427 



Steam boiler explosions 670 



in.-^poctorsof 667 



cars for city locomotion ,'594 



engine. Roots' o9'J 



experiments with 427, 441 



slide valve 606, 520 



superheating of 441, 4(59 



Steel 627 



boilers 639 



by the Bessimer process 601 



improvements of 6S4 



porosity of east 6815 



rails 616 



tubes 629 



Stomach, why is it not digested? 636 



Stone, preservation of 637 



Storms, course of 562 



Strawberries, ever-bearing 158, .331 



immense production of, 130, 166 

 393 



in Illinois 101 



irrigation of 152 



when to sot out 152 



Strawberry beds 82,121, 161 j 



the Austin 156 [ 



Boyden's i;e\v * . . . , 121 j 



Wilson 321 i 



Street-sweeping machine 427 



Submarine cable 689 \ 



Submerged paddle-wheel 501 ; 



Sunflower, cultivation of the 186 



Sumach described 188, 215, 216 i 



Sugar from the beet 308, 393, 397 



cornstalk 397 



maple.. 361, 364, 363, 396, 397 

 manufacture of, at the North, 387, 395 



Sulphur, production of 653 



Sulphuric acid, purification of 609 



Sweet corn in Minnesota 162 



T. 



Tea, adulteration of 



plant, anew 79, 97, 124, 170, 



Tekah 



Telegraph, electric. 



the world's 



Temperature at different altitudes 



Thermometers 417, 



Tidal power, useful application of '. . 



Tide gauge 



mills 



waves and wind waves 



Timber for durability, when to cut, 272, 



Page. 

 Transit through the city of New Tork .... 634 



Tree, cotton 100, 167 



Trees, do the trunks of, lengthen 278 



how to grow for the nursery 213 



Trout-bieeding.. 156, 168 



Tunnels, cost of i' 635 



Turner & Palmer's machine for covering 



cord 478 



Turnips .. .. 273 



Turpentine from Northern pine 283, 361 



Turquoise , 538 



Typhoid fever 577 



u. 



Ultra marine 673 



Undulations, effects of 649 



United States Armory at Springfield, Mass. 457 

 Urea 615 



Tobacco growing 



tools to cultivate 



Tomato vines, a remedy for melon bugs. . . 



Topaz 



Traction engine 



644 

 172 

 124 



654 

 616 

 559 

 422 

 581 

 581 

 681 

 678 

 291 

 303 

 250 

 85 

 123 

 638 

 447 



Utilization of waste products 



V. 



Valata •. , 



Vanadium 



Vattemare, A . , death of 



Ventilation of farm houses 294, 



Ventilator 



Ventilators for barns 



Verde antique 



Vibrations, transverse 



Voltaic pile 



w. 



Wagon, dumping 378, 



Waste of coal oil and petroleum 



AVatch Company, the American 



Waterbury's new rifle ball 



Water, boiling of 



engine 



melons ' 



Weather and weather prophets 



signs 



Weights and measures 



reform in 



West Jersey soil 



Wheat and spelt 



Whisky, converting it into brandy 



White's new apple-parer 



Windmill 



Wilcox tt Gibbs' sewing-machine .... 



Willard & Shaw's method of making tin- 

 lined lead pipe 



Wine interests of California 



maker's guide. 



making 218, 284, 288, 



plant — Linffius rhubarb 



residuum of, found in the bottle .... 



Wooden clocks 



Wolfram or tungsten 



Wrench, a new • 



Y. 



650 



622 

 551 

 383 

 322 

 663 

 382 

 538 

 452 

 665 



637 

 650 

 405 

 528 

 647 

 682 

 323 

 677 

 646 

 638 

 582 

 290 

 249 

 249 

 310 

 662 

 454 



525 

 288 

 193 

 324 

 205 

 273 

 411 

 631 

 477 



Yard, various standards . . 

 Yeast cakes, how to make , 



593 

 122 



Errata. 



On page 629, last line, for "vane" read "vase." 



On page 488, on twenty-third and twenty-fourth lines, for "millions" 

 read " million of millions." 



On page 644, in sixth line, for "extract" read "exact." 



