Show There are two systems in use for intensifying the lights of the lamps u used sed ed in floating or fixed beacons By y the lie c system the light is reflected reflect reflect- ed d by a silvered copper parabolic re re- hector ector by me means ns of which h the beams beam of f light are brought into parallel rays sent ent in n the direction desired By th the system the dive I diverging diverging- ing rays of 01 light ight are bent in tho direction required by y refraction tho the tl flame ilamo me being placed in n the focus of A glass lens Ien by means means' of I which the diverging ing rays are bent 1 to o each other BO sa c as 3 to form orn o bam of 1 tf s 1 |