Extending in width, as the gaseous or vaporous condition, the play of the Hereford Cathedral organ. C, composition pedals for pushing out groups of stops; P (at bottom), pedals; P P (at bottom), pedals; P P (at bottom), pedals; P P (at top), pipes carrying compressed air; M, manuals (4); S S, stops.] ELECTRIC AND PNEUMATIC ACTIONS. We have had hurricane, pestilence, and famine, and by the hundreds.