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This instrument has a cylindrical brass casing with flat glass cover. The face consists of a dial with brass centre and a silver-coloured indicator needle. The scale and backing are hand-drawn. A roughly quarter-circle scale, graduated in single units, is marked in tens “0” through “50” . There are two [Read More...]
Instrument: wooden case with curved removable lid with handle. “VAULT” written in black marker on lid top at side edge. There is a label on the inside of the lid stating that the graphophone was manufactured by the American Graphophone Company, that is licensed and sold through its sole sales [Read More...]
Box: heavy cardstock box covered with black fabric; separate lid with 2 sides torn off and missing; originally had a handle on front; dull grey metal folding hook closure; grey label on top of lid: text in blue print “The C[am]bridge Phonographic/Records/Edited by MRS. J.G.FRAZER”. Label on bottom: ‘HEFFER & [Read More...]
Wooden case with a curved, removable lid. “VAULT” marked in black on top surface. Identical text on box and plate on dictaphone: “DICTAPHONE/MANUFACTURED BY AMERICAN GRAMAPHONE COMPANY/FOR/Columbia Phonograph/Company Gen’l.NEW YORK”. Hinges on lower portion of box indicate interior lid lifts up; patent label on one end with dates of patent: [Read More...]
Silver metal rectangular box with stopcock projecting from bottom; base filled with cement for support; tube with reservoir cup and stopcock rising vertically from top parallel with 15 cm mercury centigrade thermometer, labeled “Richard Müller – URI Braunscweig”; two brass eyepieces with glass lenses, one on each end of the [Read More...]
Removable cylindrical brass casing with square glass viewing window at mirror level; mirror (now missing) suspended from 25 cm brass post over 4 brass quadrants supported by 4 amber posts on bakelite base; two electrodes on bottom of instrument joined through amber posts adjacent to other amber posts on a [Read More...]
Gas burner ring supported by 3 curved metal tubes feeding gas into ring from spigot projecting from bottom black metal backing; black flat metal facing mounted parallel to burner with adjustable slit mechanism at flame level, and four horizontally projecting wires over burner; head piece rests on adjustable brass post [Read More...]
Microscope with black U-shaped metal base. Handle on main vertical pillar. Eyepiece missing. Two objective lenses, 4 mm and 16 mm. Rotatable reflecting mirror beneath; one side flat, the other side convex. On back, “Bausch & Lomb Optical co. Rochester N.Y.”, “82762” Triangular icon divided into three parts, with “B-L”, [Read More...]
This item is contained within a wooden box, stained brown, with brass screws and black metal latches. Inside, the instrument is supported in a purpose-built wooden frame with dark green felt rests. It consists of four brass jointed arms with brass screws at the joints in a parallelogram-shape.This shape is [Read More...]