Circa 1860 John Alcock, Prescot, England Brass Watchmakers Mandrel

Circa 1860 John Alcock, Prescot, England Brass Watchmakers Mandrel

Stock Number: FG14

Sold

Dimensions

17

Circa

1860

Country of manufacture

UK and Ireland

Categories: Scientific, Technology, Horological Workshop Tools, Engineering antiques

Description

Circa 1860 John Alcock, Prescot, England Brass and Steel Mandrel. This fine example of an Alcock hand-crank powered mandrel has not been cleaned or polished in any way. Includes dust as found when acquired from the historic collection of late Theodore R. Cron 1920-2008 , Crom a horological legend , presenter, author and inspiration to all in his private and personal life.

The Mandrel

Marked on mid frame by maker also stamped on upper frame T. Crom .

This very tool is fearured in color on page 529 of Crom #2 , figure 1051

Details:

Fine details include 8 1/2″ diameter 6 spoke all brass hand-wheel with 3/8″ face and groove natural fiber belt drive. The hand-wheel with original tapered and turned 2″ long wood handle supported on an all brass ornate swans neck arm with figural leg support attached to mandrel frame. Final hand-wheel details include belt tensioner provision through adjustable axle with clover leaf 1 1/4″ wing nut. 

Mandrel details include an all brass 12″ long main frame with integral tail-stock, 1 1/4″ diameter knurled brass arbor adjustment screw to a steel arbor with graduated pulleys 2″ diameter & 1 3/4″ diameter, the arbor with heavy brass pedestal main bearing all driving an all brass 5″ diameter pierced face-plate. The face-plate with 3 adjustable clamps each with 3/4″ knurled brass thumbscrews, found with clamped brass pocket watch 1 3/4″ diameter mechanism plate.

Other fine details include a finely orchestrated tool holder with 2″ long tapered brass friction stop lever, clover leaf tool clamp screw. The multi adjustable all brass compound cross slide with hand lever tool feed, original hardwood tapered handle. The cross slide with precision cross feed with 1 1/2″ diameter knurled brass solid feed-wheel and other fine details. The mandrel lathe bed with ornate tail-stock swept brass table supports, opposite end with heavy 1 3/4″ diameter knurled brass combination clamp screw and mandrel table support adjustable compound. 

Dimensions: Overall length over bed 17″, overall height to top of faceplate 7 1/2″, overall height to top of handwheel 11″

Maker: {active 1854-1876 }

Horological toolmaker active in the mid to late 19th C in Prescott. Exhibited at the 1862 London exhibition. Maker of fusee engines and mandrels

Bibliography

Antiquarian Horology, Number 6, volume 24, p539-550 (546/547 relates to this maker)

T.R.Crom, ‘Horological Shop Tools’, 1980. P 356

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