Church, Dr., his steam carriage, [239]

Cohesion, attraction of, [32]

Condensation of solids, [28]

Condensation by jet, accidental discovery of, [65]

Cornwall, reports of duty of steam engines in, [303]

Cotton, processes in the culture of, [18]

Cylinder, its proportions, [300]

D.

D valve, description of the, [113]

Damper, the, [126]