B. Rear transom, in place of rear axle.
C. Breast-piece (fixed).
D. E. Sweep-pieces.
D. Fixed below the port-sill
E. Movable, with brass catches (f f) and hooks and eyes (g g).
H. Elevating screw and lever, with saucer (I) in place of bed and quoin.
K. Roller handspike.
L. Loop for handspike.