— explosions, list of, W. C. Redfield, xx, 336.

—, cause of explosion, and a safety apparatus, A. D. Bache, xx, 317.f

—, safety of, B. Silliman, xix, 143.

—, means of safety in, J. L. Sullivan, xx, 1.

—, safety of, xxxiv, 35.

—, causes of explosion, in a review of J. Renwick on the steam engine, xx, 329.

—, precautions to be used against explosion, J. Renwick, xx, 329.

Steamboilers, on the explosion of, J. Perkins, xiii, 52.

—, ibid, E. Hazard, xiii, 56.

—, on the supposed collapse of, and mode of preventing explosions, W. C. Redfield, xxi, 190.