Cooke and Wheatstone’s double-needle telegraph, 1838

Telecommunications

1838

‘School telephone’ in polished wood case, 1921-1940

Telecommunications

1921-1940

Double-sided dummy single-needle telegraph used for training operators, 1870-1930

Telecommunications

1870-1930

Portable double-needle telegraph and test set, 1850

Telecommunications

1850

Hand perforator and copy stand for Wheatstone automatic telegraph system, 1890-1910

Telecommunications

1890-1910

Electric hairbrush

Therapeutics

1896-1900

Hand held electric vibrator, English, dated 1909

Therapeutics

1909

May ophthalmoscope

Ophthalmology

1930-1955

Electric vibrator

Therapeutics

1880-1930

Watson Regulite microscope lamp, c.1957

Microscopy (Wellcome)

1955-1960

Microscope lamp by W.R. Prior and Co. Ltd. of Hertfordshire

Microscopy (Wellcome)

1951-1960

Adjustable arm for electric vibrator

Therapeutics

1890-1930

C and D, microscope lamp with mains bulb c.1955

Microscopy (Wellcome)

Electric lighter

Smoking

1895-1905

De Trey "Amalgamiser" for proportioning and mixing dental amalgam

Dentistry

Electric auriscope

Clinical Diagnosis

1910-1930

Welch-Allyn ophthalmoscope set

Ophthalmology

1932-1955

Electric diagnostic set

Ophthalmology

1945-1970

Electric immersion heater for X-ray film developing tank

Dentistry

1950-1965

Light bulb

Therapeutics

1851-1900

Beck high intensity microscope lamp c.1957

Microscopy (Wellcome)

Urethrotome, electric, Grenonville

Surgery

1910-1930

Electric ophthalmoscope and laryngoscope set

Ophthalmology

1945-1970

Diagnostic electric lamp

Clinical Diagnosis

1890-1910

Lamp, electric, steel

Clinical Diagnosis

1880-1920

Leech microprojector

Microscopy (Wellcome)

1951-1960

Electric lead with bayonet terminals

Therapeutics

1900-1910

Lamp, plus power unit

Microscopy (Wellcome)

Electrical endoscope

Clinical Diagnosis

1920-1940

Dental cautery

Dentistry

1890-1925

Low intensity electric microscope lamp

Microscopy (Wellcome)

1940-1960

Electric clock, by Muirhead and Co. Ltd.

Telecommunications

"Wig-L-Bug" electric dental amalgam mixer

Dentistry

Battery-operated electric auriscope

Clinical Diagnosis

1890-1925

Arm and mounting board for electric vibrator

Therapeutics

1870-1914

Dental amalgam mixer

Dentistry

1960-1970

Electric immersion heater for X-ray film developing tank

Dentistry

1925-1940

Electric vibrator on arm

Therapeutics

1890-1930

"Bandolero" electric fan

Dentistry

1930-1955

Battery-operated electric auriscope

Clinical Diagnosis

1890-1930

Electric auriscope

Clinical Diagnosis

1910-1930

Electric auriscope

Clinical Diagnosis

1910-1930

Electric amalgam mixer

Dentistry

1950-1970

Dental cautery

Dentistry

1910-1935

May ophthalmoscope

Ophthalmology

1930-1960

'Watkin' electric dental amalgam mixer

Dentistry

1948-1960

Electric dental drill

Dentistry

1950-1960

Castle dental operating light

Dentistry

1950-1965

Dental operating light

Dentistry

Amalgam mixer

Dentistry