Copper busbars and ebonite insulators, 1900-1950
1900-1950
Marconi coherer and Admiralty pattern decoherer, 1900-1910
1900-1910
Coherer, ebonite, with adjustable contacts, 1890-1896
1890-1896
Hertzian oscillator, 1890-1894
1890-1894
The Demon Detective camera
1889
Double coherer (experimental), 1895-1906
1895-1906
Gecophone Crystal Detector Radio Set No. 1, 1923
1923
Suturing machine, United States, 1943
1943
Monaural stethoscope
1871-1890
Cox typewriter
1860-1870
Vaginal speculum
1801-1900
Vaginal speculum
1801-1950
Tongue depressor
1851-1900
Electromagnetic machine
1900-1920
Bosanquet's Enharmonic Harmonium
1872-1873
Plotting scale
1876
Perforator, Paris, France, 1841-1900
1841-1900
Plotting scale
1876
Assalini-type artery forceps, London, England, 1866-1900
1866-1900
Transformer, resistance springs
1890-1900
Vertical induction coil in rectangular wooden box
1900-1910
Tent introducer
1871-1900
Hose connector, ebonite, rubber and metal
Y-Piece pipe, 1880-1920
1880-1920
Tongue depressor, Europe, 1831-1870
1831-1870
Sok-shaped electrode covered in chamois leather
1890-1900
Disc-like electrode with sponge pad
1890-1900
Small bichromate battery
1860-1900
Tent introducer
1871-1900
Electromagnetic machine in rectangular wooden case
1920
Tonsil guillotine
1820-1860
Tonsil guillotine
1801-1900
Applicator, caustic, latter half 19th century
1851-1900
Probably naevus cautery
1801-1900
Aneurism needle
1871-1900
Smoking pipe with transfer printed ceramic bowl
1850-1920
Smoking pipe with transfer printed ceramic bowl
1850-1920
Craniotomy forceps
1870-1900
Craniotomy forceps
1870-1900
Uterine scarifying lancet
1866-1900
Obstetrical forceps
1834-1900
Obstetrical forceps
1801-1900
Obstetrical forceps
1801-1900
Obstetrical forceps
1801-1900
Craniotomy forceps
1871-1900
Pajot obstetrical forceps
1851-1900
Plaque of Lakshmi
1801-1900
Sliding induction coil on wooden base
1890-1900
Bi-manual ophthalmoscope
1894-1920
Opthalmoscope in leather case
1880-1920