Webster and Bennett Borers D Series Verical Borers - all sizes: Operator's Instruction Manual and as Parts manual as detailed Sectional drawings. This model can usually identified by a lack of rotary electrical controls on a consul to the right of the horizontal slide - just push-buttons being provided) THis model can be seen as the first illustration on this page: http://www.lathes.co.uk/webster-bennet-d-dh--m-eh