Thomas Edmondson Tickets - Following on from a previous post, here is a 'simple' history of the NCR21 validating machines that were introduced on BR Southern Region in 1966. A new design
![China 50L Stainless Steel Chemical Bio Stirred Tank Reactor - China Bio Reactor, Stainless Steel Mixing Machine China 50L Stainless Steel Chemical Bio Stirred Tank Reactor - China Bio Reactor, Stainless Steel Mixing Machine](https://image.made-in-china.com/155f0j00wVGRaybzgZcE/50L-Stainless-Steel-Chemical-Bio-Stirred-Tank-Reactor.jpg)
China 50L Stainless Steel Chemical Bio Stirred Tank Reactor - China Bio Reactor, Stainless Steel Mixing Machine
![China 50L Stainless Steel Chemical Bio Stirred Tank Reactor - China Bio Reactor, Stainless Steel Mixing Machine China 50L Stainless Steel Chemical Bio Stirred Tank Reactor - China Bio Reactor, Stainless Steel Mixing Machine](https://image.made-in-china.com/155f0j00tiUfaYbIFjqG/50L-Stainless-Steel-Chemical-Bio-Stirred-Tank-Reactor.jpg)