Class X.]

INDEX.

323

Bentley. A plain globe, 308.

Paxon. A lunarian, 303.

Mauratt. Globe of moon, 303.

Gooi>. Globe designed to show the diurnal motion of theearth, 308.

Edkins and Son. 18-inch globes, 308.

Gilbert. Tissue-paper globes, 303.

Kummer. Globe in high relief, 308.

Goodyear. India-rubber globes, 308.

Grosselin. Celestial globes, 308.

ZlEUERMAYER. Globe, 303.

Kiedl. Globe of the moon, 30S.

RELIEF OR MODEL MAPPING, 309.

Denton. Method of model mapping, 309.

Sciioell. Model of Mount Sentis, 309.

Ibbetson. Model of Isle of Wight , 309.

AERIAL MACHINES, 309.

Gilbert. Carriage drawn by kites, 309.

Luntley. Rotary balloon, 309.

Graham. An aerial machine ; description, 309.

Sadd. An aerial machine; description, 303.

Bell. Locomotive balloon, 30J.

Brown. Balloon, 303.

Mason. Navigable balloon, 310.

Plummer. Aerial machine with wings, 310.

CALCULATING MACHINES, 310.

General remarks , 310.

Staffel’s Machine . Description; mode of use, 310.

Thomas de Colmar. Machine ; its adaptation, 310.

Wertheimer and Schilt. Calculating machines, 310,311.

Rooker. Dr. Roget ’s involution scale, 311.

Lalanne. A calculating rule, 311.

INSTRUMENTS FOR THE BLIND, 311.

Hughes. Portable typograph: construction and methodof using it, 311.

Tollputt. Machine for facilitating the writing of theblind, 311.

Foucault. Printing-machine for the blind; designerhimself blind, 311.

Thompson. Invention for teaching the blind to draw andwrite : no explanation given to the Jury, 311.

Gall. Triangular alphabet for the blind; Gall’s appa-ratus for teaching the blind to write, 311.

Makciiesi. Printing-machine for the blind, 311.

MISCELLANEOUS, 311.

Dunin. A piece of mechanism to illustrate the dif-ferent proportions of the human figure; mechanicalarrangements ; dimensions of the figure; excellenceof the workmanship ; intended application ; possibleapplications, 311.

Lloyd. Typhodeictor, or storm-pointer ; descriptionand use, 312.

Challis. An instrument for calculating the sums of theerrors of a transit instrument; construction; accu-racy ; addition required for different latitudes, 312.

Blunt. Model of a portion of the moon’s surface;Erastothenes, 312.

Spratt. Lightning rods; metals used in their composi-tion, 312.

Nasmytii. Map of the moon; enlarged representationsof certain portions of the moon; their accuracy andgood execution, 313.

Fisher. Chart to illustrate the sun’s declination at allseasons, and the coincident effects of light and heatupon various animal and vegetable productions, 313.

Leyser. Weber’s electro-dynamometer for measuringthe intensity of galvanic currents ; general remarksupon the electro-dynamometer, 313.

Engel. Fresnel’s wave surface, &c., 313.

Ward. Botanical cases, 314.

De la Rue. Iridescent films, 314.

Van Sciiendel. Anamorphosis , or illustrations of thelaws of perspective, 314.

Fisher. “ Mathematics simplified ” by means of geo-metrically-drawn figures, 314.

Perigal. A demonstration of the theorem of the right-angled triangle by the transposition of parts ;quadratic trisection of the square; diagrams of theretrogressive parabola; gyroscope, 314.

Gerard. Spherical trigonometer for the mechanicalsolution of trigonometrical problems, 315.

Demanet. Conversion of vibrating into rotatory mo-tion, 315.

Yates. Instrument for squaring the circle, 315.

Roberts. Synchrometer, 315.

Cooke. Closed case for plants, 315.

Bateman. Machine to illustrate the effects of centrLfugal force, 315.

Darn f.ll. Apparatus for the detection of fire or robbery,

Saunders. Self-acting kaleidoscope, 315.

Knight and Sons. Machine for cleaning and polishingdaguerreotype plates ; portable mercury-box ; plate-holders ; head-rests ; glass and porcelain dishes forpreparing sensitive papers, 315.

Thomson. Autochronograph, 315.

Dyer. Circular slate, divided into as many portions asthere are days in the month ; its use, 315.

Roper, Lawson’s observing-chair, 315.

Watkins and Hill. Biot’s apparatus for the polariza-tion of liquids; polariscope; Attwood’s machine;steam-engine indicator, 315.

Newberry. Case of medals, 315.

Rundell. Impressions of seals, 315.

Willatts. Registering thread-counter, 315.

Haward. Gauge for measuring thickness and weight,

Edge. Photometer, 315.

Chamberlain. Balloting machine, 315.

Baker. Vacuum and steam gauges, 315.

Brown. Patent power-engine to act as a water-meter,

315.

Lawrence. Screw-wrench, 316.

Plant. Self-registering steam-boiler feeding apparatus,

316.

Rociier. Tank apparatus, 316.

Green. Damp detectors ; several angle-meters, 316.Merryweather. Tempest prognosticator, 316.

General remarks upon the conclusion of the Report; probablegood which will result from the Exhibition; no oppor-tunity a fforded for inquiry into the comparative import-ance of the different classes of instruments; each countrycharacterized by some peculiar excellence; science willreceive a fresh impulse; a means of self-education openedto the artizan; important conviction impressed on themind; intimate union discernible between things appa-rently far separated ; probable effects of the concentrationof science; promotion of science one great result of theExhibition , 316.