MESSRS. E. R. WATTS & SON, LTD., 123 Camberwell Road, London, S.E.5, have designed and introduced a new type of bevel gauge which should prove a most valuable tool in the engineering workshop for ...

0 0 This article was originally published with the title “Universal Bevel Protractor” in SA Builders Vol. 7 No. 2build (February 1889), p. 36 doi:10.1038/scientificamerican02011889-36ebuild ...

This article was originally published with the title “Starrett Combination Squares Graduated with Metric Measure Now Available, Improved Universal Bevel Protractor Added to Starrett Line” in ...