For Improved Type Manifolds
Tractors < Fordson and Ford < Vintage < Standard N
Tractors < Fordson and Ford < Vintage < E27N (TVO)
Supplier Reference :
Brass type carburettor float to suit the later, improved manifolds fitted to Standard Fordson's and E27N Major tractors. This float hand in a small chamber that is placed just under the air inlet elbow above the manifold.