Keywords: VISIBILITY
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Journal Articles
Minutes of the Proceedings of the Institution of Civil Engineers (1879) 57 (1879): 184–194.
Published: 01 January 1879
...J T CHANCE; L F V HARCOURT; R C PARSONS; TYNDALL; J N DOUGLASS; HOPKINSON; BREBNER © Thomas Telford and ICE 1879 LIGHTHOUSES DIOPTRIC APPARATUS ELECTRIC ELECTRICITY POWER LIGHT LIGHTS ILLUMINATION VISIBILITY FOG OPTICS LENSES RAYS ARC CONDENSING SEA SAFETY NAVIGATION...
Journal Articles
Minutes of the Proceedings of the Institution of Civil Engineers (1879) 57 (1879): 111–165.
Published: 01 January 1879
... ILLUMINATION GENERATION GENERATORS MACHINES MACHINERY DYNAMOS COSTS OPTICAL APPARATUS POWER FOG EFFICIENCY OIL VISIBILITY DIOPTRIC PRISMS GAS SEA SAFETY NAVIGATION LENSES REFRACTORS PHOTOMETRY AIDS THE ELECTRIC LIGHT APPLIED TO LIUHTHOUSEILLUMINATION. 111 Professor TYSDALoLbserved...

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