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Galle de Chine, analyse..

Galvanoplastique, emploi du plomb en
éponge

coloration des métaux.

moyen de maintenir saturées les
dissolutions cuivriques.

Garance, ses matières colorantes rouges.
--sophistication.

Garde-trame pour métiers mécaniques.
Garniture métallique des tiroirs.

pour pistons, boîtes à estamper, etc.
Gaz d'éclairage, mesure de la densité..
épuration

Gentele (J.-G.), fabrication du cyano-
ferrure de potassium.

manière d'établir les chaudières. . .
fabrication du salpêtre.

Gérard (E.-M.), moyen pour dissoudre
le caoutchouc et le gutta-percha. . .
Gill (J. et J.-E), fabrication d'un engrais. 190
Gillett (W.-S.), garniture pour pistons.
Girard (P.-D.), expériences sur le ren-
dement des turbines.

296

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10

12

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Images photographiques sur plaqué d'ar-
gent..

Impression en protoxide de chrome.

en orseille.

fabrication des rouleaux.

des tissus, procédés nouveaux.

moyen de régulariser la force des

machines...

préparation des matières.

machine à estamper les blocs.

132

186

188

501

75

202

406

255

préparation de diverses couleurs.

561

248

Imprimeur lithographe, Manuel.

214

74

Impression photographique.

588-590

346

Incrustations dans les chaudières à va-

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TABLE DES FIGURES.

Planches. Figures.

CXXXIII. 1-4.
5-8.

Machine à tourner les bobines. J. Findlay.

Mouvement d'embrayage et de débrayage à cliquet de Pouyer-
Quertier fils. J. Koechlin.

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Nouvelle machine pour bâtiment à hélice.
Condenseur régénérateur. C.-W. Siemens.
Nouveau clitomètre. C. Courtois.

Pages.

25

27

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14-19.

20-22.

7-9.

10-19.

Perfectionnements dans la fabrication du fer. J.-D.-M. Stirling. 65

Perfectionnements dans l'art de forger le fer. J. Nasmyth.
Épeutis age mécanique et apprêt des tissus. Manichon-Cha-

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Perfectionnements dans les machines à fabriquer le papier.
C.-E. Amos et M. Clark.

81

20-22.

Sur les ressorts des voitures et wagons de chemins de fer.
J.-W. Adams. .

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10-11.

Machine à laver les tissus de coton, de lin et autres. W. Mc
Alpine et T.-C. Mc Alpin.

25

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12-14.

Machine à estamper des blocs pour l'impression des toiles
peintes. J. Wright.

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Perfectionnements dans les métiers à filer. W. Mac Lardy.
Garde trames pour les métiers à filer.

Garnitures pour pistons, boîtes à étoupes, etc. W.-S. Gillett. 31
Rivure des chaudières. Sharp.

Expériences sur l'application du four à réverbère à la distillation
du gaz. Mentzel..

Disposition nouvelle des hydroextracteurs. D. et J.-W. Napier. 3
12-14. Moulin sur le principe de la courbe de frottement. Schiele.
15-28. Nouvelles machines électrodynamiques. Page.

..

29-32. Compas d'épaisseur pour les métaux en feuilles. C.-F.OEchsle.

315

361

201

309

31

315

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