Appleton's dictionary of machines, mechanics, engine-work, and engineering (1869)
New York, Appleton · leaf 182
2494. … ^n ascending brass ring dd, with an aperture of the same diameter as the wick This flat, open cone uimmovably fixed to the upper glass b, by ben.ling np its outer edge, Fig, 2495. The connection of bwith a is effected by a so-called bayonel joint For this purpose, on the lower margin of the…
Mechanical engineering
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
