Image
Category
Collection
Maker
On Display
Object type
Place
Material
Date

Bicycle Carrying Case for No. 4 Cartridge Kodak Camera

1892-1902

Coherer, narrow-bore glass tube, 1894-1904

1894-1904

Filings coherer, glass tube almost of taper shape, 1894-1904

1894-1904

Filings coherer, small glass tube with bulb at one end and cap of red sealing wax at other end, 1898

1898

Filings coherer, glass tube bent into U-shape at one end, 1894-1904

1894-1904

Filings coherer, Lodge-Muirhead system, 1900-1910

1900-1910

Filings coherer, glass tube containing powdered copper, bulb at one end, 1894-1904

1894-1904

Filings coherer, glass tube formed into T-shape at one end and bent round into U-shape at other end with bulb, 1899

1899

Filings coherer, Lodge-Muirhead system, 1900-1910

1900-1910

Experimental transmitting ‘jigger’ used by the Marconi Company, 1899

1899

Cosmos crystal receiver, 1920-1930

1920-1930

Filings coherer, Lodge pattern with two wires inserted into bulb at one end, 1894-1904

1894-1904

Receiving ‘jigger’ used by the Marconi Company, 1899

1899

Filings coherer, glass tube with side pocket mounted on cylindrical rod with brass screw terminals at ends, 1894-1904

1894-1904

Filings coherer, glass tube with side-pocket attached to mounting bracket, 1894-1904

1894-1904

Coherer with coarse brass turnings, 1894

1894

Filings coherer, small glass tube with bulb at one end, 1894-1904

1894-1904

Filings coherer, Lodge pattern, 1895-1900

1895-1900

'Italian Navy' detector, 1899-1901

1899-1901

Billi condenser used for aerial tuning in Newfoundland, 1901

1901

Filings coherer, glass tube curved into near U-shape at one end with coil winding at other end, 1894-1904

1894-1904

Experimental form of Marconi Company magnetic detector, 1900-1910

1900-1910

Filing coherer, glass tube, fitted on to mounting bracket with terminals, 1894-1904

1894-1904

Filings coherer, Lodge-Muirhead system, 1900-1910

1900-1910

Filings coherer, glass tube bent into U-shape at one end with bulb to form side-pocket on mounting bracket with terminals, 1894-1904

1894-1904

Coherer, with several needles in contact with crystal, 1894-1904

1894-1904

Aerial inductances, 1901

1901

'Cat's whisker' Crystal Radio

1920-1925

Henley's magneto electric double needle telegraph, 1848-1852

1848-1852

Bright's bell telegraph, 1855

1855

Mirror galvanometer for the transatlantic telegraph, 1858

1858

Bain's chemical telegraph, 1850.

1850

Cooke and Wheatstone's four needle telegraph, 1838

1838

Chronometer in Gold Case by Thomas Earnsham, 1795-1810

1795-1810

Copper ore from the Bell Mine

before 1889

Stanhope square demonstrator, c.1805.

circa 1805

Double surface of revolution of constant negative curvature

1910

One of four original Swan and Raven models

1867

One of four original Swan and Raven models used by Froude

1867

One of the First Rechargeable Batteries, about 1860

1860

Rigged Model of a Fijian Double Canoe with Mast

1800-1872

Burroughs Class 5 hand operated mechanical adding machine with ten registers

1920-1925

Arithmometer by Elliott Brothers

1885-1894

Electric Flat Iron, 1895-1905

1895-1905

William Thomson's Tide Predicting Machine, 1872

1872

Pair of dice made of ivory cellulose nitrate with black markings

1900-1930

A pair of dice made in imitation ivory celluloid, early 20th century.

1901-1930

Arsenical cobalt or skutterudite, from Skutterude, near Modum, Norway

before 1889

Light-bulb, filament, carbon

About 1890

Marine thermometer by Negretti and Zambra

1890