| Description | 76. Rolling Mill and Coining Press, R. R. Symon & Co., Culiacan, Mexico. Oct. 1878-Jan. 1879, Jul., Nov. 1880. 31 items.
Parts of 14 inch rolling mill and coining press.
Rolling mill:
Standards for carrying spur wheel shaft - partially coloured drawing; top 14 inch rolls; detail of loose pulley, base frame, muff coupling, shafts and breaking spindle, bracket for adjusting gear, adjusting and starting gear for the rolling mill. All these drawings bear letter codes.
Also rough sketches: adjusting and starting gear; standards; roll frames; standards etc.; pinion wheels.
Coining press:
Strap, gib and cotter for connecting rod, lever, fly wheel, front guide to bottom die dish (drawings also used for the Zacatecas Mint, 1880); brake on fly wheel - partially coloured drawing. These drawings bears letter codes.
Also rough sketches, miscellaneous drawings: cardboard patterns of steel dies; laying on shears (drawing originally made for the Lima Mint, 1871, also used for the Zacatecas Mint); die collar; laying on gear; bracket for fly wheel brake; stay; plates for fixing side frames to base (also used for the Zacatecas Mint); position of key looking through fly wheel; brake lever; brasses for crank shaft; lever; partially coloured drawing of part of press (not titled); memorandum of articles ordered.
For R. R. Symon & Co., Culican, Mexico.
See also: Portfolio 6/57 (memorandum re coining press). |