Spiraflite
of Potton, Beds
1963 Maker of agricultural auger flighting.
1968 Silver-Felber Group planned to spin off the company which was growing rapidly[1]
1968 Maker of flight-forming machines, which were used to make Archimedian screws for combined harvesters; large US order[2]
1968 Exhibited Ideal Allman Propcorn Applicator, used to treat stored grain[3]
1970 Marshall Conveyors was a member of the Spiraflite group of companies[4]
1970 Petition for winding up[5]