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Museum Photographs

 Museum Artifacts Part 1​  ​  ​  Museum Artifacts Part 2​​         Museum Artifacts Part 3


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Ionospheric Recorder​ Wadley Receiver ​Wire Recorder



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Current Balance​ ​Crystal Set Marconiphone



 
 
​Lightning Recorder The First Integrated Circuit
​The beginnings o​f Electronics
 
 
 
 
 
 
 
 
 
 
 
 

​Electrical Power Frequency Control The prototype tellurometer Early X​-Ray Tube

 
 
 
 
​"Escom" ​"Tugela" ​"H​unslet"







​"Kitson" Steam Turbine Driven DC Generator ​Compressed Air Meter


 
  
Painting of Highveld Power Station​ Turbine used at Sabie River Gorge Hydro Station PortableTemperature Indicator




 
 

 
 
Portable Volt meter​ Portable Laboratory Ohm meter Voltage Ratio Box


 
 
 
 
 
​Portable Current Transformer Portable​ Watt meter Portable Watt meter






  



                     
​Portable low resistance ohm meter ​Phase Splitting Resistance Box ​Portable millivo​ltmeter






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​Phase angle Meter ​Mine Telephone Conduc​tivity Meter



 

 

 


Portable Voltmeter​ ​Wheatstone Bridge ​   Electrodynamometer


            ​                                   
Universal Galvanometer​ ​Wheatstone Bridge ​AC Galvanom​eter
Turbine Condenser vacuum gauge​ Demand Meter​ Time Lag Relay​






Single Element Instantaneous Relay​ Three element Instantaneous Relay​ Theodolite





​Tally Chain Time Lag Relay Universal Potentiometer​





Proportional Dividers​ Planimeter Pantograph




Current Transformer​ Current Transformer Current Transformer
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