Rensselaer Semi-Weekly Republican, Volume 40, Number 34, Rensselaer, Jasper County, 3 January 1908 — Wonderful Incrense in Power [ARTICLE]

Wonderful Incrense in Power

Achmpnriiu'rhas receritly been ffiad* of the power of the lights in FreneH lighthouses at various periods in the. last 35 years. In when only oil; lights were used, the highest power vai equal .to 54,000 In. whei| the electric, light wag Introduced, the power robe tb -it’-rifrfklmu-m of 820,1*0(1* candles. Since then frequent improve^ lights until at present the most power* ful lighthouses project an* iUumlaatiofii nearly equal to 3,000,000 candles.