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Journal Articles
Minutes of the Proceedings of the Institution of Civil Engineers (1899) 137 (1899): 131–144.
Published: 01 January 1899
...W T DOUGLASS; J A PURVES © Thomas Telford and ICE 1899 IMPROVEMENT DIOPTRIC APPARATUS LIGHTHOUSES LIGHTS ISLANDS FLASHING FEUX ECLAIRS ILLUMINATION LIGHTING LUNDY CAPE LEEUWIN FISH POINT CAPE OF GOOD HO CAPE ST BLAIZE FRANCE AUSTRALIA SOUTH AFRICA ~roceedings...
Journal Articles
Minutes of the Proceedings of the Institution of Civil Engineers (1899) 137 (1899): 145–150.
Published: 01 January 1899
...SIR W WHITE; W T DOUGLASS; A MALLOCK; W AMOR; A AYRES; E P EDWARDS © Thomas Telford and ICE 1899 IMPROVEMENT DIOPTRIC APPARATUS LIGHTHOUSES LIGHTS BALL BEARINGS BALLS BEARINGS FLASHING FEUX ECLAIRS Proceedings.] DISCUSSION ON APPARATUS FOR LIGHTHOUSES. 145 Discussion. Sir...
Journal Articles
Minutes of the Proceedings of the Institution of Civil Engineers (1899) 137 (1899): 150–165.
Published: 01 January 1899
...O BOURDELLES; A BREBNER; J KENWARD; T MATTHEWS; D STEVENSON; C STEVENSON; W T DOUGLAS; J A PURVES © Thomas Telford and ICE 1899 IMPROVEMENT DIOPTRIC APPARATUS LIGHTHOUSES LIGHTS FLASHING ROTATING FEUX ECLAIRS 150 CORRESPONDENCE ON DIOPTRIC [Minutes of Mr. Douglass...
Journal Articles
Minutes of the Proceedings of the Institution of Civil Engineers (1881) 66 (1881): 180–212.
Published: 01 January 1881
...R H BRUNTON © Thomas Telford and ICE 1881 OIL PARAFFIN PRODUCTION COAL DISTILLATION SHALE FLASHING BURNERS ILLUMINATION LIGHTING LUBRICATION PROCESS MANUFACTURE GAS AMMONIA SULPHATES PURIFICATION SCALE REFINING TAR STORAGE LIGHTHOUSES RETORTS HYDROCARBONS FUEL...
Journal Articles
Minutes of the Proceedings of the Institution of Civil Engineers (1867) 26 (1867): 507–543.
Published: 01 January 1867
...GREGORY; J T CHANCE; ASTRONOMER ROYAL; T STEVENSON; SMITH; ARROW; R P BRERETON; GLADSTONE; HAMILTON; J N DOUGLASS; BABBAGE; C W SIEMENS; CAMPBELL; RYDER; REDMAN; FRESNEL LIGHTHOUSES OPTICAL APPARATUS LENSES DIOPTRIC LIGHTS LANTERNS REFLECTORS FLASHING ILLUMINATION SEA SAFETY...
Journal Articles
Minutes of the Proceedings of the Institution of Civil Engineers (1867) 26 (1867): 477–506.
Published: 01 January 1867
...J T CHANCE; A FRESNEL; T STEVENSON LIGHTHOUSES OPTICAL APPARATUS ILLUMINATION LIGHTS LAMPS DIOPTRIC SYSTEMS INTENSITY LENSES CYLINDRICAL REFRACTORS ANNULAR REFLECTION REFRACTION PRISMS TESTS REFLECTORS METALLIC PARABOLIC INSTRUMENTS SPHERICAL AZIMUTH FLASHING FLAMES...

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