Authentic 1953 vintage zoom signal searchlight by Shonan Eng. Works Co., Ltd., Tokyo. Serial no. 759. Features a 8.25 inch glass lens and the original convex mirror inside and the signal louvers are fully operational. The search light is mounted on to heavy brass arms and is adjustable with a clock-down handle. On-off switch is located on the mounting base. 110 volt electricity and wired for use with 6 foot cord. Great old brass patina. Wonderful small size for interior home lighting. Missing small wood signal handle, but can be easily replaced. Measurements: 8 1/4 inch glass window, Depth: 16 1/2 inches including handle Stands 23 inches tall tilted up.