'Leiber's Five Letter American Telegraph Code', book issued 1915
1915
Morse key with send-receive switch, 1900-1920
1900-1920
Low frequency iron core inductance, 1900-1950
1900-1950
Filings coherer, Lodge-Muirhead system, 1900-1910
1900-1910
Copper busbars and ebonite insulators, 1900-1950
1900-1950
Filings coherer, glass tube formed into T-shape at one end and bent round into U-shape at other end with bulb, 1899
1899
Rotary convertor, 1900-1950
1900-1950
Murray multiplex tape transmitter, 1910-1920
1910-1920
'Italian Navy' detector, 1899-1901
1899-1901
Aerial tuning inductance, 1900-1950
1900-1950
Replica of the first Morse telegraph, 1835
1934
'MPB' call sign plaque, 1900-1950
1900-1950
Filings coherer, Lodge-Muirhead system, 1900-1910
1900-1910
Stud field regulator, 1900-1950
1900-1950
Wooden pillar insulators, 1900-1950
1900-1950
De Forest syntoniser, 1902-1907
1902-1907
Willis world clock, 1929-1935
1929-1935
Filings coherer, Lodge-Muirhead system, 1900-1910
1900-1910
Iolanda transformer in wooden box, 1900-1950
1900-1950
Guard lamps on wooden board, 1900-950
1900-1950
Tuning indicator with lamp, 1900-1950
1900-1950
Filings coherer, small glass tube with bulb at one end and cap of red sealing wax at other end, 1898
1898
Mystery watch by Armand Schwob & Frère
1900
Model of a pendulum clock based on Galileo's design
1921
Working model of the co-axial escapement built by George Daniels
1985
Eight-day astronomical longcase clock by Thomas Vickery
1931
Box of escapement finisher's tools used by William Heyes
1900-1925
Rolling ball clock by E. Dent and Co
1920
Tourbillon watch manufactured by Nicole Nielsen and retailed by S Smith & Son
1907
Barber-Colman knotter
circa 1925
Bottle of Fennings' Fever Mixture, England, 1950-1960
1950-1960
Model of adenovirus
1974-1976
Gold amulet in the form of a cobra
2000-100 BCE
Large animal tooth carried to cure toothache
1901-1911
Shade guide for "Lumin" porcelain teeth
1955-1975
Shade guide for "Bio-Trey" silicate filling material
1965-1975
Amulet to ward against the evil eye
1901-1911
Haemoglobin 8.26, Festival Pattern Group silk tie fabric
1950-1951
Medresco Portable Hearing Aid
1953
Notched elder twig amulet
1901-1913
Pendant bottle
1910-1933
Medicinal water from hot spring of Saint Maria Theresa
1920-1928
Bottle of medicinal water from La Rampe
1920-1928
Demonstration model with intrauterine device and inserter
1960-1979
Plane line articulator
1965-1975
Brooch in the shape of a horseshoe with a riding crop
1914-1918
Ivory model of back-to-back skull and head
Before 1932
Ivory model of a skull on wooden pedestal
before 1928
Nasal speculum
1901-1950
Small muslin bag containing amuletic bread
1901-1913