INDEX.
793
Gillow and Co., 121, 540, 550.
Gilson and Bossut, 370.
Gilta, J. L.,99.
Gimbal Compasses. —See Compasses , Mariners'.
Gindre, L., and Co., 305.
Ginghams. —See Cotton Manufactures.
Ginzel, R. C., 353.
Giovannini, L., 558.
Girard and Co., 305.
Girardet, —, 425.
Girardi Brothers, 56, 84.
Giraud Brothers, 392.
Giro, J.. 34. 614.
Girod (De L’ Ain), General, 159.
Gisbert, J., 91.
Giusti, P., 550.
Glacial Acetic Acid —S amples of, 43.
Glacial Phosphoric Acid —Specimens of, 40.
Glaeser, J. S., jun., 478.
Glaisher . J. (Juror), xxvii, 269.
Glandore Mines (Cork)—Magnesia found in, 46.
Glass (Class XXIV.)—Tabular classification of objects inthe Exhibition into which this Class is divided, xxi.List of Jurors and Associates appointed for this Class,xxix. List of Exhibitors in this Class to whom Coun-cil Medals have been awarded, cv. The like of thoseto whom Prize Medals have been awarded, ib. And ofthose of whom Honourable Mention is made, cv, cvi.Materials from the Rostellan Pits, Middleton, Cork ,used in the manufacture of glass, 14. Specific gravi-ties of flint and crown glass manufactured by Messrs.Chance and Co., of Birmingham , 269.
Inquiry into the origin and progress of the glass manu-facture, 521. Process of manufacture described byPliny, ib. Among the Egyptians, as detailed by SirGardiner Wilkinson , ib. Glass supposed to have beenused by Archimedes, ib. Specimen of glass in the Bri-tish Museum from Nineveh , ib. The Barberini orPortland Vase referred to, ib. Introduction of glassinto Italy ; works for its manufacture established inthe neighbourhood of Rome , 522. Early period ofVenice becoming a seat of the manufacture ; great at-tention bestowed upon it, ib. Causes of the decline ofthe Venetian monopoly, ib. Introduction of the artinto Bohemia, ib. And into France ; injurious effectof the exclusive privileges granted to manufacturers,522, 523. Particulars as to excise and customs dutiesimposed on glass in England ; modifications thereof atdifferent periods ; effect of the duties on manufacture,consumption, and price, 523, 524, 526.
Brief details of the method of manufacture, 523, et scq.Use made of borax or borate of soda as an agent; itsexpense a bar to its general adoption, 524. Discoveryof borate of lime on the western coast of America ; itssuitability as a flux, ib. The first chemists have di-rected their attention to the fabrication of glass; theproduction of a good composition dependent, however,on the observance of certain principles, ib. Characterof the silex used in England; sources of supply, ib.The like as to the alkali, ib. Means used of impartingcolour to glass, ib.
Classification of glass manufactures, 524, 525. Detailsas to the origin, methods of manufacture. &c., of eachdescription of glass in England and foreign countries,viz.:—Window-glass, 525, 526. Crown-glass, 526.Cast plate, rough plate, pressed plate, rolled, &c., 527.Bottle-glass, water-pipes, and tubing, 528. Glass forchemical and philosophical pimposcs, ib. Flint -glassor crystal, with or without lead, ib. Optical glass,flint or crown, 528, 530. Allusion to glass used inlighthouse apparatus, with special reference to theEddystone and other lighthouses, 530, 531.
General observations of the Jury on the subject embracedby their Report, 530, 531. Points at issue to which itis important to call the attention of the manufacturer,viz. :—The composition of the " metal,” 531. Thepractical difference prevailing ns to the finishing andpolishing, ib. Results of the removal of taxation inincreasing the demand; fabrication of an inferiorarticle, ib. Answer to the objection that the French and Belgian manufacture will not stand the test oftime, ib. The question of price left untouched by theJury, ib.
Principle on which the award of medals has been made,531, 532. Names of individuals from whom the Re-
porter has received assistance in drawing up theReport, 532. Effect of the instructions of the Execu-tive Committee in regard to the award of the Medals,ib. Individuals to whom Medals have been awarded;Grounds of these awards stated, 532, 533.
Principles on which the manufacture of glass paintingsshould proceed stated, 533. The works of the firsthalf of the 16th century to be taken as the true stand-ards. 534. Remarks on the character of the specimensof glass paintings exhibited, 534, 535. And with spe-cial reference to particular compositions, 535. List ofAwards, 536, 537.
Critical remarks on the examples of glass manufacturescontained in the Exhibition, 734, 735. Principleswhich should govern the design and decoration of ob-jects in glass, 735. False taste displayed in glass-cut-ting; extreme to which it is carried, ib. Drinkingglasses should be sparingly adorned, ib. Faults com-mitted in the manufacture of glass for ornament, par-ticularly in regard to colouring and gilding; specialreference to the specimens of Bohemian and Hungarianglass, 735, 736. Chandeliers and candelabra. 735.Remarks on the glass fountain of Messrs. Osier, ib.And on the Candelabra exhibited by the same firm,736. Various objects in the Exhibition noticed, ib .—See also Arsenic . Bottle Glass. Crown Glass. Mosaics.Optical Glass. Painted Glass. Plate Glass. Quartz.Sand. Sheet Glass. Window Glass .
Glass for Chemical and Philosophical purposes. —Pe-culiar qualities required for glass of this kind, 528.
Glass-cutting Macuinf.s. —Neat contrivances for cuttingand trimming glass shades, 2()1.
Glass, G. M., 165.
Glass-makers. — Close combination existing amongst theworkmen employed in glass-making in France , andalso in England ; evils resulting from this system, 525.
Glass, Painted or Stained.—See Painted Glass.
Glass-Paper.— Excellent specimens of glass-paper andglass-cloth, 682.
Glass Pipes, Tubing, &c. —Prize Medals, &c. awarded for,536, 537. New kind of patent joint for connectingglass pipes conveying gases or fluids, 587.
Glass Shades (for ornaments, &c.)— Formerly the manu-facture thereof almost entirely restricted to the Conti-nent ; owing to Messrs. Chance they arc now made inEngland nearly to the exclusion of those of foreignmake, 526. Awards made for glass shades, 536, 537.
Glaziers' Diamonds —Use of, dates from the 16th cen-tury, 525.
Glazing, Earthenware. — Process of Messrs. Pratt forcolour-printing under the glaze, 541. Process of Barondu Tremblay, called email ombrant,” 542.
Glazing Paper. —See Paper , $c.
Glen arid MMndoc, 380.
Glenisson and Vangenechten, 454.
Glenton and Chapman, 508.
Globes.— Remarks on the terrestrial and celestial globesexhibited, 308. Slate globes, ib. Process of globe-making, as exhibited by Fletcher, very interesting,ib. Model and globes of the moon. ib. Angular ter-restrial globe for the solution of geographical problems,ib. Lunarian, with a contrivance for showing thephases of the moon. ib. New method of illustratingthe effect of the earth’s diurnal motion upon the plane ofa pendulum’s oscillation, ib. Tissue-paper and India-rubber globes, ib. Terrestrial aud celestial, fromPrussia, France, United States, and Austria , ib.
Glover, T., 504.
Gloves. —Specimens of coloured cotton gloves, 478. Largeamount of the population of the United Kingdom em-ployed in the manufacture, 480. Valuable and highlyimportant contributions to the Exhibition, ib. Speci-mens contributed by France , many cities of the Zoll-verein, Denmark, and Switzerland , ib. Great talentof the French dyers of kid-skins, <6. Highly interest-ing contribution forwarded by the Associated Gloversat Prague, 481. Skill ami energy of the English ma-nufacturer greatly called forth since the alteration ofthe tariff, ib. Places in England at which gloves arcchiefly made ; estimated value of the yearly produce;total of hands employed in England, ib. List ofAwards, &c., ib. See also Leather.
Glue —Specimens of, exhibited, 43, 44. Remarkable pro-gress in the extraction of glues from waste remnants ofhides, skins, &c., 165. Specimens exhibited and awards,165, 166.
Gluten Preparations. —Fine collection of gluten prepara-