CONTENTS. 



PAGE 



Preface v. to vii 



Standard Meteorological Instruments and Meteorological Publications . . 1 to 133 

 Barometers, Aneroids, Thermometers, and Hygrometers . . . 134 to 151, 152 to 175 



Hydrometers and Saccharometers 176 to 195 



Steam, Vacuum, Hydraulic, and Gas Pressure Gauges, and Counting Machines 198 to 210 



Surveying Instruments, Land Chains, Measures, &c 283 to 307 



Nautical Instruments, Sextants, Quadrants, Ships' Lamps, Logs, Mariners' 



Compasses, &c., and Sun Dials 308 to 327 



Mathematical Drawing Instruments, Scales and Rules 330 to 349 



Globes and Orreries 328 to 329 



Spectacles, Pocket and Hand Magnifiers 213 to 224 



Various Optical Instruments 225 to 228 



Opera, Race, and Field Glasses *234 to 240 



Microscopes and Apparatus 256 to 275 



Telescopes 241 to 255 



Polarising Apparatus 277 to 280 



Stereoscopes and Slides . . . 229 to 233 



Magic Lanterns and Dissolving View Apparatus 350 to 374 



Spectrum Apparatus, and the Radiometer 276, 281, 282 



Chemical Apparatus, of Glass, Porcelain, and Earthenware .... 375 to 394 



Apparatus for Organic Analysis 394, 395 



Chemical and Philosophical Apparatus and Instruments, of Metal, &c. . . 396 to 410 



Chemical Cabinets and Portable Laboratories 410,411 



Frictional Electrical Apparatus 412 to 427 



Voltaic or Galvanic Apparatus 428 to 436 



Electro-Metallurgical Apparatus 440 to 442 



Magnetic and Electro-Magnetic Apparatus 443 to 449 



Electric Bells and Alarms 459 to 467 



Electric Light Apparatus 437 to 439 



Thevmo-Electric Apparatus 450' 



Induction Coils and Apparatus 451 to 455 



Medical Galvanic and Magnetic Apparatus 455 to 459 



Pneumatic Apparatus 468 to 476 



Hydrostatics and Hydraulics 477 to 480 



Photometers 497 



Acoustic Instruments, &c 494 



Mechanics and Dynamics 491 to 495 



Models of Steam Engines, &c., Apparatus for Illustrating the Phenomena of Heat 481 to 490 



Portable Steam Engines ) .... 211 



Gun Metal Fittings, for Steam Engines and Boilers, &c. ' .... 210 



Bourdon's Steam Gauges 205 to 210 



Telegraph Instruments and Apparatus 449, 461, 466 



Surgical and Medical Instruments, &c. 498 to 503 



Soda Water Machinery and Diving Apparatus, and Ice Machines . . . 504 to 508 



Hydraulic Machinery 509 



Gas Motors 510, 511 



Photographic Apparatus 517 to 553 



Appendix 554 



General Reference Index 567 



Mineralogical and Geological Collections . 503 



