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Model soil stack vent and pipe

Domestic Appliances

1895

Model of hygienic sanitary appliance

Domestic Appliances

1895

Section of cross-Channel telephone cable, 1897

Telecommunications

1897

Sample of transatlantic cable, 1865-66

Telecommunications

1865-1866

Moving magnet galvanometer with dial inscribed "Greenwich Mean Time", 1843-1897

Time Measurement

1843-1897

Walnut and brass model of the "Great Paris Telescope"

Astronomy

1898-1900

Thomson mirror speaking galvanometer, 1858

Telecommunications

1858

Model of hygienic sanitary appliance

Domestic Appliances

1895

Hertzian oscillator, 1890-1894

Radio Communication

1890-1894

Pill cutter, England, 1851-1900

Pharmacy-ware

1851-1900

Cell used in interruptor circuit, 1875-1890

Telecommunications

1875-1890

Self-flushing gutter pipe, England, 1850-1875

Public Health & Hygiene

1850-1875

magneto-electrometer, 1857

Telecommunications

1857

Hertzian receiving resonator, 1890-1894

Radio Communication

1890-1894

Spiral spring coherer, 1890-1894

Radio Communication

1890-1894

Granular microphone in bamboo tube, 1878-1890

Telecommunications

1878-1890

Granular microphone in glass tube, 1878-1890

Telecommunications

1878-1890

Wheatstone's portable ABC telegraph, 1858

Telecommunications

1858

Packet of 39 vaccination points for smallpox vaccination used at Tottenham Court Chapel Station, London, England, 1873

Public Health & Hygiene

1873

Model of a channel pipe, London, England, 1896

Sewerage & Sanitation

1896

Triple bladed vaccination lancet, London, England, 1822-1875

Public Health & Hygiene

1822-1875

Ammoniaphone, 'for voice cultivation by chemical means', English, 1871-1900.

Therapeutics

1871-1900

Calculator for treadwheel labour, 1823

King George III

1823

Printing telegraph receiver, 1845-1851

Telecommunications

1845-1851

Copper earthing tube believed to have been used by Marconi, 1890-1897

Radio Communication

1890-1897

Section of early underground telegraph cable, 1846

Telecommunications

1846

Wheatstone receiver (Morse inker), 1867

Telecommunications

1867

Table chronometer in a gilt-metal and glazed case by Victor Kullburg

Clockmakers

1870-1877

Anglo-American Arab Platen Printing Machine, 1842-1880

Printing & Writing

1842-1880

Endoscope

Clinical Diagnosis

1875-1885

Flat steel-spring (or watch-spring) coherer, 1894

Radio Communication

1894

Model sink and drainage system

Domestic Appliances

1895

Set of six test tubes with stand, used by Joseph Lister

Microbiology

1875-1878

Single-needle telegraph by W. F. Cooke, 1840-1860

Telecommunications

1840-1860

Laennec-type monaural stethoscope, France, 1851-1900

Clinical Diagnosis

1851-1900

Model of a MacPherson-type ambulance, England, 1851-1900

Nursing & Hospital Furnishings

1851-1900

Bright's bell telegraph, 1855

Telecommunications

1855

Figure group: 'The Toothdrawer', Berlin, 1870-1880

Dentistry

1870-1880

Experimental microphones with carbon pencils and cups, 1878-1890

Telecommunications

1878-1890

Experimental microphone using steel needles and gas carbon, 1878-1890

Telecommunications

1878-1890

Clark's block signalling telegraph instrument, 1854

Signalling & Telecommunications

1854

Whitworth Pillar Drilling Machine

Hand and Machine Tools

c.1860

Keyboard for transmitting telegraphic messages, 1845-1851

Telecommunications

1845-1851

Plaque for cot, Great Ormond Street Hospital

Nursing & Hospital Furnishings

1900

Diploma awarding honorary membership of the London Vaccine Institution, London, England, 1826

Archive

1826

A.B.C. telegraph transmitter, 1835-1845

Telecommunications

1835-1845

Wine glass used by Joseph Lister as a culture glass

Microbiology

1860-1880

Thomson (Lord Kelvin) double curb transmitter, 1858

Telecommunications

1858

wooden base for submarine cable laid across the River Medina, 1878

Telecommunications

1878

Morse tape on which signals were recorded by means of a coherer, 1900

Radio Communication

1900