A 240 V 15W white B.C. Pygmy lamp in a conical lamp house 70 mm long x 65 mm diameter. Mounted on a 6 mm brass rod giving an optical centre height of 80 mm approx. Supplied complete with 1.5 mm of twin flex.
A 240 V 15W white B.C. Pygmy lamp in a conical lamp house 70 mm long x 65 mm diameter. Mounted on a 6 mm brass rod giving an optical centre height of 80 mm approx. Supplied complete with 1.5 mm of twin flex.
The micrometer slit is as above but has a heavier screw thread, 0.5 mm pitch x 6 mm diameter, carrying a drum which is divided into 50 divisions giving a reading of 0.01 mm. An index is provided with a 5 mm scale divided in 0.5 mm divisions.
The micrometer slit is as above but has a heavier screw thread, 0.5 mm pitch x 6 mm diameter, carrying a drum which is divided into 50 divisions giving a reading of 0.01 mm. An index is provided with a 5 mm scale divided in 0.5 mm divisions.
A circular metal screen 75 mm diameter with 10 mm central aperture covered with 1.5 mm mesh wire gauze. Mounted on a 6 mm brass rod thus giving an optical centre height of 80 mm approx.
A circular metal screen 75 mm diameter with 10 mm central aperture covered with 1.5 mm mesh wire gauze. Mounted on a 6 mm brass rod thus giving an optical centre height of 80 mm approx.
