Fresnel knew a bit about light

And how to bend it.
St Catherine's lighthouse light, but not the lamp as it is on all the time and is a tad bright - 975,000 candle power the man said.
The lamp is 800 watt halogen and lasts two years. The amazing thing is the cost of the bulb - £24 !!!!! So why is a headlamp bulb for a BMW £95?
Back to the Buddle tonight for some more Sharps and some tasty food.
Off to the third corner tomorrow.