Knight's American dictionnaire mécanique : une description des outils, instruments, machines, procédés et d'ingénierie, de l'histoire des inventions, vocabulaire technologique général ; et recueil des appareils mécaniques dans les sciences et les arts . liyalurc ligatured yline ; la pièce d'iris sloiiylis ortin quelques jours, et que l'élève reste dans sa nouvelle posi-tion. Irido-desis. c. L'opération est aussi formée par la division avec des ciseaux.l'iris par deux iiuisions fromeach divergentes, d'autres, le triangle d'une ofiris ilaps étant laissé à amoindrir. Marionnette. 1. (TvriibKj.) Un fichier .ri standard.chanter Ver-ticall

• Contributeur: The Reading Room / Alamy Banque D'Images
• ID de l’image: 2AKYH42
• Taille du fichier: 7,1 MB (313,6 KB Téléchargement compressé)
• Autorisations: Modèle - non | Propriété - non
• Dimensions: 1675 x 1491 px | 28,4 x 25,2 cm | 11,2 x 9,9 inches | 150dpi

Informations supplémentaires

Cette image appartient au domaine public, ce qui signifie que le droit d’auteur a expiré ou que le titulaire du droit d’auteur a renoncé à ses droits. Les frais facturés par Alamy couvrent l’accès à la copie haute résolution de l’image.

Cette image peut avoir des imperfections car il s’agit d’une image historique ou de reportage.

Knight's American mechanical dictionary : a description of tools, instruments, machines, processes and engineering, history of inventions, general technological vocabulary ; and digest of mechanical appliances in science and the arts . yline liyalurc ; the ligatured piece of iris sloiiylis ortin a few days, and the pupil remains in its new posi-tion. Irido-desis. c. The operation is also formed by dividing with.scissors the iris by two iiuisions, diverging fromeach other, the loosened triangular-shaped ilaps ofiris being left to shrivel up. Puppet. 1. (TvriibKj.) A .standard ri.sing ver-tically from the bed or shears of a lathe ami holdingthe ecnicrs on which the work is placed to revolve.In the ordinary lathe the head-stock has also amandrel and grooved wheel to which motion is im-parted by a band. The puppets are also known ashetid and tail stocks. 2. A disk-valve having a stem and vertical motionto and from its seat. Puppet-head. Of a lathe or boring-machine.A sliding device on the U|i)ier part of the bed ; itholds the liack center, and may be fixed at any re-quired ilistance from the front center. Puppet-valve. A vah-e which moves verticallyand is guided to and from its siat by a central ver- Fig, 4051. T---^^?^. tical stem, coincident with the •axis of the seat. In the exam-ple, the puppet-valves govern-ing the supply and exhaust ofsteam to the cylinder are actu-ated by cams on a revolvingshaft. The valve-stems are guided above in sockets in- theto]) ])lates of the valve-ehests, antl by removing these platesthe valves may be reached or removed.! Purchase. A mechanical power to increase thepower applied. The names arft various ; some indi-cate a difterence in character, others merely in appli-j cation. Among them are: whip, whip-upon-whip, I laff-tacklc, /iijr-upmi-luff, runner, d&uble-runner, I barton, jeer, viol, yun-lackle ; as well as winch, gin. Puppet- Valves. PURCHASE-BLOCK. 1836 PUTTY-POWDER. Fig. 4052.

Recherche dans la banque de photos par tags

• bookcentury1800
• booksubjectin