Special Features:

Unit shall be supplied with a siamlamp, p/n 30130-c-4, 5 volts; lighted color, nvis green b; unlighted background color, black; display type 8, sunlight readable illuminating characters are hidden before lighted; black background characters are visible in direct sunlight

Properties:

A transparent or translucent item designed to enclose or be placed in front of a light source. Sections of the lens may be opaque. It may or may not include a holder. It is designed to be either a replacement unit for a specific type of light, such as light, indicator; light, navigational, marine; stop light, vehicular; and lantern, electric or that portion of a switch, (as modified) used as an actuator and having provisions for illumination. See also, window, lighting fixture; globe; electric light; and filter (2), (as modified).