Underwriters' Laboratories' Booklet Issued
A thirty-two page souvenir booklet entitled “A Report of Fifty Years of Continuous Sefvice” has been issued by the Underwriters’ Laboratories, Chicago, I11. The book summarizes pictorially the work of the Laboratories over the last fifty years.
A thirty-two page souvenir booklet entitled “A Report of Fifty Years of Continuous Sefvice” has been issued by the Underwriters’ Laboratories, Chicago, I11. The book summarizes pictorially the work of the Laboratories over the last fifty years.
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