Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 592
Cutting fine glass patterns on glass bowl. … The sand blasting machine. It is divided into duplicate compartmentsand is so arranged that none of the whirling sand escapes to troublethe operator. Two operations in glass working at the factory of Messrs. J. & W. B. Smith, Ltd. electric fittings. The process is quite alengthy one in some…
Lighting
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