602 



NEGBETTI AND ZAMBRA, HOLBOEN VIADUCT, E.G., 



Zamboni's Electric Pile, 2116. 



Zanett's Hydrometers, in sets of 6 ; with 

 these Instruments Specific Gravity is 

 obtained by adding a cypher to the 

 number of degrees indicated ; made 

 To Order. 



Z Glass Tubes, 2108. 



Zinc & Copper Plates soldered together, 2514. 



,. with Glass handles, 2516. 



Zinc Dish for Waxing Paper, 3296. 

 Zinc Plates, Amalgamated, 2582. 

 Zinc and Copper Sieves, 2517. 



Tables, Meteorological, various, page 133. 



Thermometric, pages 51, 169, 566. 



Boiling Point, pages 93, 175. 



Hygrometric, page 76. 



Eain Fall, page 81. 



Kelative Lengths and";Weights of 

 Copper Wire, page 455. 



Water Pressure, pages 480, 559. 



Approximate Height due to Baro- 

 metric Pressure, pages 3, 557. 



Horse Power of Steam Engines, 

 page 559. 



Expansion by Heat, page 560. 



Various English and Foreign 

 Weights and Measures, &c., 

 pages 554 to- 557. 



Earth Temperatures, pages 34, 172. 



Atmospheric Pressure, page 480. 



Tables, Heat disengaged during combus- 

 tion, page 560. 



of relative Temperatures and 

 Pressures, page 65, 175. 



of relative Temperatures and Pro- 

 portions of Salt in Marine 

 Boilers, page 189. 



of Specific Gravity of Vinegar,. 

 &c., page 184. 



of Oils, 474, page 184. 



of Velocity of the Wind, pages 

 97 to 101. 



Baker's Comparative Hydrometer. 

 558, page 195. 



Comparative Scale of values of 

 Twaddle's Hydrometers, page 

 183. 



Vital capacity of the Lungs, p. 499\ 



Table of Mean Winter, Mean Summer, and Annual Mean Temperature, 566. 



Equation Table, 562. 



Spring Tide Table, 562. 



Table of Differences from Greenwich. Time,. 562. 



35AYMAN BROTBEP.S & LKM/T, HATTON SOUSE, 113, FARRINGDON KOAI), LONDON, E.Ci- 



