Electrical Engineering Collection

Standard electrical circuit symbols. Diagram of standard symbols used to represent electrical equipment in electrical circuit diagrams. The symbols are arranged in six rows of sets of three

Circuit board

An engraving depicting the first successful electric railway by Siemens and Halske at the Industrial Exhibition
5310677 An engraving depicting the first successful electric railway by Siemens and Halske at the Industrial Exhibition, Berlin (1879)

An engraving depicting the first successful electric railway by Siemens and Halske at the Industrial Exhibition
5310676 An engraving depicting the first successful electric railway by Siemens and Halske at the Industrial Exhibition, Berlin (1879)

Electrical engineering, bottle element and Bunsen element, voltage source providing an electrical voltage of about 1
1, 1900s, 19th-century, 1st, 9, black, black-and-white, black-white, body of water, bottle element, building, buildings, businesses, chemical element, companies, company, containers, deliver

Electrical engineering, self-exciting influence machine, constructed after Windhurst by Robert Voss, Berlin, Germany
1900s, 19th-century, archive, art work, arts, artwork, artworks, black, black-and-white, black-white, commemorating, commemoration, contemporary, depiction, depictions, deserted, digital, digitally

Allgemeine Elektricitats-Gesellschaft. Postcard sent on 20 April 1913
660086 Allgemeine Elektricitats-Gesellschaft. Postcard sent on 20 April 1913. by German Photographer (20th Century); Private Collection; © Look and Learn

Municipal Technical Institute, Belfast, Electrical Engineering, Mechanical Laboratory, Elementary Chemistry Room
3650559 Municipal Technical Institute, Belfast, Electrical Engineering, Mechanical Laboratory, Elementary Chemistry Room, Spinning Department (b/w photo) by English Photographer

The Seven Bridge transmission tunnel, 1980. Artist: Michael Walters
The Seven Bridge transmission tunnel, 1980. An engineer from the Central Electricity Generating Board makes checks on the Seven bridge transmission tunnel which carries services from the Aust side in

Scene in the workshops of Globe & Simpson auto electricians, Lincoln, Lincolnshire, 1961. An apprentice checking the levels of a Lucas battery

A young apprentice at Globe & Simpson auto electricians workshop, Lincoln, Lincolnshire, 1961. An apprentice using a hydrometer to check the sulphuric acid concentration in a Lucas car battery

Scene in Globe & Simpsons auto electrical workshop, Nottingham, Nottinghamshire, 1961. An Austin Cambridge having its headlights set with a Lucas beamsetter

Auto electrician changing a light bulb on a Morris Minor, Nottingham, Nottinghamshire, 1961. Scene in the workshop of Globe & Simpson in Nottingham

Apprentice at work, Globe & Simpson auto electrical workshop, Nottingham, Nottinghamshire, 1961. Sheffield-based Globe & Simpson ran an auto electrical engineeing

Training apprentices, Globe & Simpson auto electrical workshop, Nottingham, Nottinghamshire, 1961. Two young apprentices are shown how to strip down a starter motor

Shop counter, Globe & Simpson auto electrical engineers, Nottingham, Nottinghamshire, 1961. Based in Sheffield, Globe & Simpson ran an auto electrical engineeing

Globe & Simpson shop window, Nottingham, Nottinghamshire, 1961. Based in Sheffield, Globe & Simpson ran an auto electrical engineeing and fuel feed service on a national level

Auto electricians at work at Globe & Simpson, Nottingham, Nottinghamshire, 1961. In the background can be seen a Crypton electrical test bench machine

Edison and Steinmetz Join Forces to Achieve Success, 1922, (c1925). Thomas Alva Edison, (1847-1931), American inventor and businessman

The Ignitron tube, 1938. Invented by Joseph Slepian, an employee of Westinghouse, the Ignitron is a gas-filled tube known as a mercury-arc rectifier

Charles Proteus Steinmetz, born Karl August Rudolph Steinmetz, 1865 - 1923. German-born American mathematician and electrical engineer

Chip connector, SEM
Chip connector, coloured scanning electron micrograph (SEM). This connecting wire (yellow, top) has been soldered to a terminal pad at the edge of a silicon microchip

Electronics research F008 / 2104
MODEL RELEASED. Electronics research

Light-emitting diode (LED), cutaway computer artwork. LEDs contain a semiconductor (red square, centre left) that emits light when a current passes through it

Third US national radio conference, 1924 C016 / 8819
Third US national radio conference. Group of three US pioneers of radio in the USA at a conference convened by US Secretary of Commerce (and later US President) Herbert Clark Hoover (1874-1964)

Peter Hewitt, US electrical engineer C016 / 8851
Peter Cooper Hewitt (1861-1921), US electrical engineer. Hewitt invented a mercury-vapour lamp (patented 1901) and built the first mercury arc rectifier (1902)

John R. Pierce, US satellite engineer
John Robinson Pierce (1910-2002), US communications satellite engineer and pioneer. Pierce studied at Caltech, and then worked at Bell Telephone Laboratories and became director of research there

Microchip connectors, SEM
Microchip connectors, coloured scanning electron micrograph (SEM). Magnification x123 at an image size of 10 cm wide

Circuit board of a digital camera, SEM
Circuit board of a digital camera, coloured scanning electron micrograph (SEM). Magnification x4 at an image size of 10 cm wide

TV cathode ray tube. Components of a cathode ray tube (CRT) display for a television (TV). These are the components that are behind a TV screen

Halogene bulb testing

Magic sensor X-ray
Magic sensor. Coloured X-ray of a tyre fitted internally with an autonomous sensor (yellow). This long-lived sensor is powered solely by the changes in pressure it measures, needing no batte- ry

Compact flash memory card. Flash memory is a form of non-volatile computer data storage. Flash memory cards may be used with digital cameras, handheld and mobile computers, telephones, music players

Computer data floor
MODEL RELEASED. Computer data floor. Technician making final checks before installing mainframe computers for an internet service provider

Light-emitting diodes. Researchers hand holding a palette containing the spectrum of light-emitting diodes (LEDs). LEDs are efficient converters of electric current into light that are used in

Magic sensor. Technician monitoring an autonomous sensor on a candle. This long-lived sensor is powered solely by the changes in temperature it measures, requiring no battery

Robotic dog being worked on by a researcher. This robot is modelled on a greyhound. Instead of traditional electric motors, it uses pneumatic muscle actuator (PMA) technology

Halogen bulbs. Freshly-produced halogen light bulbs for vehicle headlights. The bulbs contain halogen gases which slow the loss of their metal filament and so extend their life

Robotic legs. Researcher mimicking the posture of a pair of robotic legs. Instead of traditional electric motors, the legs use pneumatic muscle actuator (PMA) technology

Laser bulb research
Bulb research. Laser being used to study a high- powered HBI lamp (centre left), a type of tungsten halogen light bulb. The bulb contains bromine and iodine gas

Robotic arms. Time exposure image of a researcher mimicking the movements of a pair of robotic arms. Instead of traditional electric motors, the arms use pneumatic muscle actuator (PMA) technology

Bulb research. Prototype low heat light bulb being tested within a miniature Ulbricht, or integrating, sphere. Once closed

Cathode ray tube. Image 2 of 2. Demonstration showing how a beam of electrons can be deflected by a magnetic field, as seen in television cathode ray tube (CRT) displays

Computer screen lighting research. Researcher comparing computer screens lit by a flat Planon lamp (left) and a traditional liquid crystal display (LCD)

Measuring electric voltage. Circuit diagram showing the arrangement of equipment used to measure the voltage (potential difference) in an electrical circuit

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"Exploring the Wonders of Electrical Engineering: From Circuit Symbols to Historic Innovations" Step into the world of electrical engineering, where standard circuit symbols and circuit boards come alive with endless possibilities. Witness the birth of this remarkable field as we delve into its rich history. Travel back in time to Germany, 1876, where a voltage source provided an electrical voltage of about 9V, marking a significant milestone in the development of electricity. Through digitally restored reproductions, experience firsthand the wonders created by pioneers like Robert Voss and his self-exciting influence machine constructed after Windhurst. Take a glimpse at Allgemeine Elektricitats-Gesellschaft's postcard from 1913, showcasing their contributions to electrical engineering. Explore Municipal Technical Institute in Belfast, where students immerse themselves in the Mechanical Laboratory and Elementary Chemistry Room for hands-on learning. Marvel at Michael Walters' artistic representation of The Seven Bridge transmission tunnel from 1980 - a testament to how electrical engineering shapes our modern infrastructure. Journey through time with scenes captured in Globe & Simpson auto electricians' workshops across Lincolnshire and Nottinghamshire in 1961. Witness skilled auto electricians changing light bulbs on Morris Minors or young apprentices diligently honing their craft under expert guidance. These snapshots highlight not only the technical expertise required but also the dedication that drives progress within this dynamic field. Electrical engineering is more than just circuits; it is an ever-evolving discipline that powers our world today. Join us as we celebrate its past achievements while embracing future innovations yet to come.