Speaker 1650 was one of famous ship in RN history. She fought twelve major fleet battles between 1652-1674,
and two more after her rebuildin 1687-88.
Orginal dimensions : 143-3 x 116 x 34-8 x 14-6 x 17(dr.). 741 bm.
Later her Beam was first remeasured or girdled as 35-6 ft., and later increased for this to 36-8 ft.
The dates are not known when these difference of the beam was made or remeasured .