Images Vidéos

Standard international Photos ❘ Science Photo Library

International Prototype Kilogram, 1875
12289426 - International Prototype Kilogram, 1875
Standard platinum resistance thermometers
11647497 - Standard platinum resistance thermometers
International timing signals,1914
11594353 - International timing signals,1914
International biohazard symbol
11891411 - International biohazard symbol
Standard periodic table,element types
11551770 - Standard periodic table,element types
Standard periodic table,group labels
11551764 - Standard periodic table,group labels
Standard periodic table,valencies
11551777 - Standard periodic table,valencies
Standard periodic table,electron shells
11551766 - Standard periodic table,electron shells
Standard periodic table,valencies
11551778 - Standard periodic table,valencies
Standard periodic table,element types
11551771 - Standard periodic table,element types
International biohazard symbol
11891409 - International biohazard symbol
Standard electrical circuit symbols
11894089 - Standard electrical circuit symbols
Standard periodic table
11559430 - Standard periodic table
Standard electrical circuit symbols
11894088 - Standard electrical circuit symbols
Standard periodic table
11551760 - Standard periodic table
International biohazard symbol
11891428 - International biohazard symbol
Standard electrical circuit symbols
11894087 - Standard electrical circuit symbols
Paris International Exhibition, 1867
12901155 - Paris International Exhibition, 1867
Interior view of the International Exhibition, London
12899742 - Interior view of the International Exhibition, London
Standard time zone clock
11599821 - Standard time zone clock
Delporte North Pole constellations map
11552267 - Delporte North Pole constellations map
Delporte northern constellations map
11552265 - Delporte northern constellations map
Delporte South Pole constellations map
11552268 - Delporte South Pole constellations map
Delporte southern constellations map
11552266 - Delporte southern constellations map
Caesium beam atomic clocks,1984
11730382 - Caesium beam atomic clocks,1984
Pellat electrodynamometer, 19th century
12289429 - Pellat electrodynamometer, 19th century
Copper (II) oxide and sulphuric acid
12395287 - Copper (II) oxide and sulphuric acid
Copper (II) oxide (CuO) on a watch glass
12395292 - Copper (II) oxide (CuO) on a watch glass
Research cigarettes
11686269 - Research cigarettes
Smoking research
11686268 - Smoking research
Edward Weston,British-US chemist
11694697 - Edward Weston,British-US chemist
Louis Harold Gray,British physicist
11828880 - Louis Harold Gray,British physicist
Wine barrels
11608979 - Wine barrels
Chromaticity displays
11550681 - Chromaticity displays
ISO metric thread pitch gauge
13387629 - ISO metric thread pitch gauge
Pictorial periodic table
11658822 - Pictorial periodic table
Bank of Weston cells
11647499 - Bank of Weston cells
Historical length standards
11647504 - Historical length standards
Biohazard symbol,illustration
12061414 - Biohazard symbol,illustration
ANLAB colour space
11647515 - ANLAB colour space
Pictorial periodic table
11658823 - Pictorial periodic table
Biohazard warning sign
11891408 - Biohazard warning sign
Warning signs
11891386 - Warning signs
Cathode ray tube colour gamut
11647516 - Cathode ray tube colour gamut
Biohazard symbol,illustration
12061413 - Biohazard symbol,illustration
Biohazard warning sign
11891410 - Biohazard warning sign
Biohazard symbol,illustration
12061412 - Biohazard symbol,illustration
Biohazard symbol
11891434 - Biohazard symbol
Biohazard symbol
11891435 - Biohazard symbol
Copper (II) oxide
11588708 - Copper (II) oxide
Paediatrics symbol,artwork
11754798 - Paediatrics symbol,artwork
Paediatrics symbol,artwork
11754832 - Paediatrics symbol,artwork
No smoking symbol,artwork
11754792 - No smoking symbol,artwork
Wheelchair symbol,artwork
11754814 - Wheelchair symbol,artwork
Wheelchair symbol,artwork
11754780 - Wheelchair symbol,artwork
First aid symbol,artwork
11754818 - First aid symbol,artwork
No smoking symbol,artwork
11754826 - No smoking symbol,artwork
First aid symbol,artwork
11754784 - First aid symbol,artwork
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