London County Council medal for 'Home Nursing'
circa 1914
photograph of "Culebra Cut, Culebra"
1913
Brussels International Exposition medal
1910
Clinical thermometer
1970-1900
Replica of Dewar's Liquid Air Calorimeter, 1904
1904; 1930
FT27 rangefinder
1914
Block of lenses (7) ground with fine emery by J.H. Dallmayer Ltd.
1909
Pocket voltmeter, moving iron repulsion type
1910
Resistance box
1912
Block of lenses (4) on iron polishing tool
1909
Twin element permanent magnet oscillograph in box
1910
Dipping refractometer
circa 1912
Apparatus for measuring latent heat and cooling effects in electron absorption and emission
1909-1912
Wynne "Infallible" exposure meter
1913
Universal shunt
1910
Copy of Justus von Liebig's Death Mask, 1873
1873 (original); 1990 (copy)
Drysdale-Tinsley universal potentiometer
1910
Potentiometer, serial no.4696
1911
Lenard tube unexhausted
1914
Duddell Thermo-galvanometer
1911
120 volt multiplier for use with millivoltmeter
1912
Pattern I unipivot galvanometer
1912
Pattern K unipivot millivoltmeter
1912
Propeller
1909
"Magnet" electric kettle of 1911
1911
Artificial bubble horizon
1905-1910
10-Inch JuniorTrig 0902 Aristo slide rule from the 1974 catalogue
1970-1875
Drysdale’s curve-drawing integrator
1910
Model of expanding rope pulley
1911
Pantograph - Peaucellier linkage by D. Drysdale
1910
Hand made Sundstrand adding machine
1912-1914
Hirth minimeter
circa 1920; 1907
Bronze Axehead from France, Bronze Age
2000-500 BCE
Bronze Spearhead without Shaft, European, Bronze Age
2000-500 BCE
Plaster model of right foot deformed by foot-binding
1912
Flint Knife and Scraper, Stone Age
8500-2000 BCE
Bronze Chisel-head, Britanny, France, Bronze Age
2000-500 BCE
Copper Axehead from Ancient Egypt, 1991-1786BC
1991-1786 BCE
Copper Axehead from Ancient Egypt, 1991-1786BC
1991-1786 BCE
Bronze Adze with Modern Wooden Handle, Bronze Age
2000-500 BCE
2 microscope slides of blood films
1911
Twelve German jetons, 16th century.
1501-1600; 1978
'Osram' drawn wire tungsten electric tubular filament lamp. 20W
circa 1914
Work: Timber Porters
1914
Lindstrom Record manual calculating machine
1913
Surface showing lines of equation
1910
Surface showing lines of equations (damaged)
1910
Helicoid by Martin Schilling (damaged)
1910
Callendar's Bolometer, 1914
1914
Simple aquatic microscope, with box-foot stand
1795-1805