Sun Causes Many Fires

Sun Causes Many Fires

The sun has been responsible for a number of strange fires according to a member of the Underwriters’ Laboratories.

In an Illinois town, a fire broke out in the display window of a jewelry store. There was a round ball of glass with a picture under it. The rays of the sun were concentrated on the paper and started the fire. Another case on record is where the merchant of an umbrella store desired to show the public the fine texture of his umbrellas. He had an open umbrella hung in his show window, with a magnifying glass so mounted, that the passerby could notice the fine weave of the fabric. The glass acted as a “burning” glass by concentrating the heat of the sun rays on one spot, and a fire started.

Blemishes in the glass of show windows have often beert blamed for the cause of many strange fires. The air pockets and other imperfections in the plate glass windows aid in concentrating the heat of the light rays and in the mitigation of fire.

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