First figure:
A1: Up a double and back. That again.
B1: Set to partner and turn single. That again.
A2: Ones balance back and balance forward; give two hands and slip down below the twos, then turn down and out to face neighbour on the diagonal. Push them up diagonally; lead in to progressed places.
B2: Fall back with neighbour; lead forward. Both couples two-hand turn.
Repeat B1 and B2 until all are back to place.
Second figure:
A1: Partners gipsy L half-way; turn single R. Gipsy R half-way; turn single L.
B1: 1st man jump in to face down, 1st woman jump in to face partner; twos the same. Threes; fours.
Third figure:
A1: Arm R. Arm L.
B1: All four slips L; four R. Four R; four L.
B2+3: Progressive grand chain: Ones give R to partner to start, the others face up and wait to be brought in, all finishing where you started.
This is Cecil Sharp's interpretation.