Milnes "R" type 3 3/4 in Lathe.
bed 2 ft 9 1/2 in long; takes 16 in. between centres; swings 5 3/4 in. between top of boring table and line of centres; admits 12 in. diameter in gap; measure 2 1/2 in. between front of face plate and edge of gap in bed, posseses a hollow mandrel which will pass 9/16 in. diameter bar.
Source; The simple lathe and its accessories.