Pachena Point Lighthouse

Pachena Point LensThe photo at the left shows the lamp, lens, mercury bath bearing, and winding apparatus which was installed on the Pachena Point lighthouse in February 1908. The lens is a 1st order Fresnel lens made by Chance Brothers of Birmingham England – one of the largest sizes possible, and it all sits on a wooden tower!

The glass lens, 3 m tall, 2.5 m wide and weighing 400 kg was brought by boat around Cape Horn. The 1000-watt bulb in use now puts out four million candlepower and is visible from Washington State’s Olympic Peninsula. (reference)

This graphic was sent to me by a friend but I have no idea of the source. I have searched Google and the only mention of the photo that I found was in reference to the Eddystone lighthouse, which this definitely is not. Continue reading