|Division:||Servo Components Division|
|Year of Manufacture:||circa 1960|
|Location:||Rack RAA02 [Main Store]|
Serial No. ?90
This is a very early prototype.
The ID marks may just refer to the solenoid they are on.
This version has a transparent valve body; maybe for demonstration purposes but maybe to suit certain fluids.
The solenoid section bears the label:
"Keep away from Iron and Steel"