other-of-pearl, and ble dimensions, made of sheet metal or other material. Its with a large and heavy fly wheel. A strong pinion flanged that the rainbow colors are due to the phenomenon known up to the pitch line is keyed upon this shaft,and gears into two in optics as interference of light.… … under the name of ‘‘ Russian glass,” did not attract as much Both faces of the slot in the punching levers are planed, STOVE PIPE EXPANDER. attention as it deserved; but convinced that the work had in and upon the outside faces is a planed face arranged radially it intrinsic merits deserving of…
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