Miners' nystagmus and its relation to position at work and the manner of illumination / by Simeon Snell.

  • Snell, Simeon, 1851-1909.
Date:
1892
Catalogue details

Licence: Public Domain Mark

Credit: Miners' nystagmus and its relation to position at work and the manner of illumination / by Simeon Snell. Source: Wellcome Collection.

Provider: This material has been provided by The University of Leeds Library. The original may be consulted at The University of Leeds Library.

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    LIST OF ILLUSTRATIONS. Fig. . i Fig. 2. Fig. 3. PAGE II Fig Fig Fig Fig. 7 Fig. 8 Fig. q Fig. 10. Fig. 11. Fig. 12. Fig. 13. Fig. 14, Fig. 15 Fig. 16 Fig. 17 —Davy Lam]) —Clanny Lamp —The four lamps selected by the Royal Commission on Accidents in Mines, 1886 - —Marsaut Lamp —A Trammer —-Pony Tramming - —-Under-cutting a thin coal — Clodding or Bannocking Facing 45 — Holing —a miner lying on his left side, in position for work Facing —Attitude of a miner, working in a thin seam, vary- ing from o™4o to o™8o and 1 metre Facing —Miner holing underneath a seam of coal - Facing —Coal after being undercut (holed), showing wooden supports (sprags) in position - Facing 54 —Hepplewhite-Gray Safety Lamp 56 — Deputy examining roof under 5-ft. Facing 57 — Deputy or Fireman examining for gas in a seam under 5-ft. thick Facing 58 Setting timber in a thick seam Facing 63 —Attitude of the miner working in a seam of coal 2 metres high, when he extracts the upper quarter of the seam - Facing 64 11 11 11 35 36 38 5° 52 54