957
INSTRUMENTS ET
ACCESSOIRES DIVERS.
958
Zach, F. X. de. Sur les instruments aqimutaux.
Cas, II, 1819, 226.
Behrnauer. Beschreibung einer Vorrichtung qurErleichterung des Gebraucïts des astronomischenTheodolits bel Hôhen-Messungen.
Ad P, LXIX, 1821, 92.
Mossotti. [Sur un nouvel instrument pour pren-dre les distances des astres ].
Cas, VIII, 1823, 3 4 6 .
Zach, F. X. de. Description du théodolite astro-nomique.
Cas, IX, 1823, 4.
Kater. A description 0/afloating collimator.
Londres, PTr, 1825, 147. = Cmp, I, 1823, 167.
Graydon. A description of a tient patent instru-ment, or celestial compass, adapted for ascertainingthe déviation ofthe magnetic needle, by simple inspec-tion, in any part of the ntorld ; for finding the latitudewhen the horiqon is obscured ; and for steering shipswithout magnetic aid.
PMg„ LXV, 1825, 358. = BSm, V, 1826, 123.
L’instrument, dirigé par une aiguille magnétique, et main-tenu horizontal par des contre-poids, fournit par une alhidadeà lentille la position du Soleil.
Brinkley. Results of the application of Cap.Kater's floating collimator to the astronomical circleat the observatory of Trinity College, Dublin.
Londres, PTr, 1826, 307.
Riddle, E. Description of Barclay's hydrostaticquadrant and on account of observations madewith it.
PMg„ LXVIII, 1826, 270.
L’horizontale est donnée, sur un cercle vertical, par les
deux extrémités d’une colonne liquide placée dans un tube entorr>.
Kater. A description of ci vertical floating colli-mator, and on account ofits application to astronom-ical observations with a circle and with a jenithtélescope,
Londres, PTr, 1828, ïSj.
Dollond, G. An account of a concave achromaticglass lens, as adapted to the wired micrometer whenqpplied to a telescope, which has the property ofncreasing the magnifying power of the telescope
without increasing the diameter of the micrometervires.
Londres, PTr, 1834, 199.
Hassler. Description of an astronomical double-repealing théodolite.
Londres, MNt, III, i836, 17.
Donkin. Description of a spring-level.
Londres, MAS, X, i838, 319.
Applicable aux lunettes méridiennes.
«cher. De
Z HOn ' t0 be «
" e P ur pose ofatsea. J
of a pendulum artificiala sextant or quadrant foraltitudes by day or night
L° n dres,MNt, IV, ,839.81.
Chevalier, C. Description of a dioptrie telescopeand of a micrometrical lunette.
Londres, MNt, V, 1843, 111 .
Wettinger. On an instrument adapted for observ-ing right ascensions and déclinations of stars in-dependently of time.
Londres, MNt, V, 1843, 167.
Steinheil, von. Astrograph.
JhS, 1844, 6.
Schmidt, G. Ueberdie Théorie des Dipleidoscops.
AdM, V, 1844, 337.
Encke. Ueber das Dipleidoscop.
ANn, XXII, 1843. 3o5.
Ciccolini. Su! dipleidoscopio del Sig. Dent.
RdL, I, 1845, 289.
Simms. On a new arrangement of a verticalcollimator attached to the altitude and a-imuth instru-ment.
Londres, MAS, XV, 1846, 19. = Londres, MNt,V, 1843, 23 o .
Lawson. On an easy method of contracting theaperture of a large telescope.
British Assoc, Rep, 1846, n, 9.
D—, F. Del dipleidoscopio, strumento sempliceper la correqione giornaliera degli orologi usuali.
AFC,, XXII, 1846, 284.
Wesselink & Koch, de. Rapportai betrekkeljkhet sectant met Becher’s pendulum-horiqon.
V & B, VI, 1846, 486.
Littrow, K. L. von. Centrirmaschine fiirFernrohre.
Kal, 1848, 92.
Valz. Nouvelle lunette rendue réciproque et avan-tages de son application aux instruments d'astro-nomie.
Paris, Crh, XXX, i85o, 287.
Littrow, K. L. von. Ueber eine Hülfsvorrich-tungfür Cometensucher.
ANn, XXXIV, 1852, 233.
Ragona. Nuovo livello per lo strumento deipassaggi.
Palerme, Gio, I, 1855, 32.
Bolze. Ueber die Construction eines neuen Instru-ments qur Bestimmung der geographischen Ereite.
Unt, IX, i855, 92.
Fondé sur l'expérience du pendule de Foucault.
Sang. Moyen d’observer les petites fractions desecondes.
Paris, BSE, i856, 5g. — ZMP, I, i856, 322.
Par deux chronomètres de vitesses un peu inégales, dontles coups font vemier.
Lassell. ...Comparisott of relative efficiency ofprism and plane spéculum.
Londres, MNt, XVII, 1837, 64