322

INDEX.

[Class X.

Johnson and Matthew Palladium crucibles; SirJohn Herschcl’s suggestion relative to coating clayon plumbago crucibles, with films of platina, &c.,

296.

Horne, Thornthwaite, and Mood, Galvanic machine,&c., 296.

Hearder. Galvanic machine, 296.

Taylor. Pneumatic battery, 296.

Nunn. Hydrometer, 296.

Lyons. Several batteries, 296.

Quennessen. Platina alembic, 296.

Ciujard. Gazoscope and safety-lamp, 296.

Bonnet. Assay furnace, 296.

Deyeux. Chemical utensils, 297.

Lemolt. Galvanic battery, 297.

Kapeller and Son. Black-lead crucibles, 297.

Seel. Steam apparatus, 297.

Arnoldi. Chemical apparatus, 297.

Grassler. Carbon battery, 297.

Keinscii. Galvanic battery, 297.

Kinsklbacii. Silver hydrometer, 297.

"Wolff. Chemical apparatus, 297.

Luhme. Chemical apparatus, 297.

Batka. Chemical apparatus, 297.

Brandeis. Apparatus for analysis of beer, 297.

Staffel. Apparatus for assaying the precious metals,

297.

FIRE ANXIHILATORS BY CHEMICAL APPLICA-TION, 297.

Phillips. Machine, 297.

AYeare. Machine, 298.

METEOROLOGICAL INSTRUMENTS , 29S.

General remarks , 298. Barometers; thermometers ; in-jurious effects of bad instruments, 298 ; essentials ofgood thermometers and barometers, 299.

Fastu£. His thermometers the best in the Exhibition,299.

SELF-REGISTERING METEOROLOGICAL APPA-RATUS, 299.

Dollond . Atmospheric recorder, 299.

Brooke. Photographic apparatus, 300.

Newman. Anemometer and rain-gauge, 300.

BAROMETERS, 300.

Griffiths. Barometer with a trap, 300.

Newman. Standard barometer, 300.

Orchard. Standard barometer, 300.

A r ii>iE. Aneroid barometer, 300.

Negretti and Zambra. Different barometers, 300.Yeates. Different barometers, 300.

Somalvico. Mountain barometer, 300.

Hall. Meteorological clock, 300.

Tremlett. Marine barometer, 301.

Elliott and Sons. Different barometers, 301.

Bursill. Compensatory cistern barometer, 301.

Brown. Barometer of two immiscible fluids, 301.Bennett. Barometers, 301.

Dixey. Barometers, 301.

Baker. Two barometers, 301.

AY atkins and Hill. Barometers, 301.

Gray and Keen. AA'heel barometers, 301.

Abraham. Barometer, 301.

Ross. Barometer, 301.

Pizzala. Wheel barometer, 301.

Grimoldi. Barometer, 301.

Bourdon. Barometers of a new construction, 301.

Galy Cazalat. Manometer, 301.

Ericsson. Alarm barometer, 301.

THERMOA1ETERS, 301.

Simms. Standard thermometers, 301.

Negretti and Zambra. Standard and other thermo-meters, 301.

Newman. Standard and other thermometers, 301.Philips. Maximum thermometer, 302.

AVatkins and Hill, Harris and Son, Elliott andSons, Bennett, Dixey, Baker ; Fastr£, Luhme,Zerae, Jurgensens, 302.

ANEMOMETERS, 302.

Philips and De IIennault, 302.

RAIN-GAUGES, 302.

Philips, AY atkins and IIill, Baker, 302.

PYROMETERS, 302.

Ericsson, 302.

AYurm, 302.

TIDE-GAUGES, 302.

Hewitson and Newman, 302.

ACOUSTICS , 303.

Heeps and Rein, 303.

AY atkins and Hill. Syrene, 303.

PLANIMETERS, 303.

Sang and Gonella’s, description of, 303.

Lack, Goldsciimid, and Ausfeld’s, description of,

304.

DYNAMOMETERS, 304.

Taurines . Adapted for great strains, 304.

Clair. Adapted to moderate strains, 304.

Burg. Self-registering, 304.

Cazaux. Furnished with chronomctric controller, 304.

CRYSTALLOGRAPHY , 305.

Leeson, Mitchell. Collection of crystals, 305.

Luhme, Schroder, Batka, Bertaud. Models of crys-tals, 305.

DRAAYING INSTRUMENTS, 305.

A t arley and Son. Graphic telescope, 305.

Elliott and Sons. Drawing instruments, 305.Pillisciier. Elliptic compasses, 305.

Simms. Airy’s elliptograph, 305.

Dobson, Tree, Parke and Sons. Drawing instruments,

305.

Dixey. Mathematical instruments, 305.

Haggard. Double protractor, 305.

Graham. Ivory rule, showing relations between the sideof a square, equal to the area of a circle, &c., 305.Matthias. An instrument for dividing lines quickly,

306.

Horne, TnoRNTirwAiTE, and "NYood. Tebay’s rule, 306.Gavard. Pentagraphs and diagraphs, 306.

Luttig. Drawing instruments, 306.

Hommel-Esser, Gysi, Kern. Drawing instruments, 306.Imperial Ijousk "Works. Drawing instruments, 306.Viberg, Keifler, Littmax, Nietzchmann and Vaccani,RocnETTi. Drawing instruments, 306.

Penrose, llclicographs, 306.

ORRERIES, PLAXETARIUMS, ASTRONOMICALMACHINES , 306.

General remarks , 306.

Facy. Vertical orrery, 306.

Newton and Son. Orrery, 307.

Plant. Orrery, 307.

Newton and Son. Planetarium, 307.

Le Feuvre. Orrery, 307.

Massett. Planetarium, 307.

Mollison. Pedestal planisphere, 307.

Baker. Periphan, 307.

Matthews. Astrorama, 307.

Malloch. Mechanical indicator for teacliing geography,

307.

MuRDOcn. Eclipse indicator, 307.

Ryles. For showing the ebb and flow of tides, 307.Newton and Son. An armillary sphere, 307.Ziebermayr. Planetarium, 307.

Dink. Terrestrial globe, 307.

Richards. Geographical instructor, 307.

Detouche and Houdin . Uranographic apparatus, 307.

DIALLING, 307.

Newton and Sctn. Spherical sun-dial, 307.

Lawrence, Elliott and Sons, Darnell, Cox, Uiilman.Sun-dials, 308.

GLOBES, 308.

Johnston. A terrestrial globe, showing the geologicalstructure of the earth, 308.

Newton and Sons. A large manuscript globe, andvarious other globes, 308.

Fletcher. A pair of terrestrial globes, and process ofglobe-making, 308.

Readiiouse. A model of the moon, 308.

Adorno. A papier-mache globe, 308.

Stoker. Angular terrestrial globe, 308.