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Demas No. 4 Treadle Wood Lathe

Introduced in 1881, the Demas No. 4 was still advertised in the 1888 catalog of A.J. Wilkinson, in Chicago, and by it's maker, A. H. Shipman, in Rochester, N.Y. The lathe can handle around 30" between centers and has a 10" swing (actually 5 1/2" radius over bed and 4 1/2" over tool rest). It has a replacement oak treadle and is in fine working condition. The original wood treadle is included, if desired. A new leather drive belt has been broken in and should last for many years. The heavy 20" two step flywheel provides smooth power with very little effort. The spindle has 3/4" 10 tpi threads for which modern accessories are readily available. However, the taper is non-standard and is fitted with a 3 blade spur drive. The center is 40" from the floor, ideal for either standing or seated at a stool to work the treadle.

A writeup and illustration of this lathe in an 1881 issue of "the Manufacturer and Builder" can be found at the Cornell library site.

turning a spindle with the 9" tool rest.

the headstock with 4" faceplate and outboard honing? wheel I lightly touched an old carbon steel skew to this wheel, resulting in an instant burr. Sharpening without a tool rest while treadling is beyond my ability. But, this wheel is a reminder that sharp tools are a necessity when turning on a treadle machine.

the 3 blade spur drive I had previously prepared turning blanks with crossed saw kerfs for the big treadle lathe. These were of no use with a three blade spur, but, simply drilling a center hole with a countersink bit saved the day. The center point fits in this hole, allowing the three blades to contact the work. Actually, drilling the center is easier than making the crossed saw kerfs. I drill a V in both ends of the stock and back off the tailstock ram much more than one would with a power lathe. Overtightening the work between centers robs more power from a treadle lathe than does the actual cutting.

the countersink bit used in a hand drill.

the 25" tool rest

the second tool rest base, salvaged from an early homemade lathe

bowl turning on a treadle lathe. This bowl was mostly hollowed out on another lathe. I just did some inside scraping to see how difficult it would be. A treadle bowl lathe would be much more comfortable to use, but, if you really needed a bowl, it could be made on this lathe.

the two tool rests - 9" and 25".

the tool rest bases - one original, one early homemade iron for the twin post rest, and one warped wooden base that this replaces.

A crude homemade 1/2" collet chuck - turning pegs. The chuck is screwed to the 4" faceplate.

the collet chuck. accepts 1/2" dowel ends and is closed with a hose clamp.

Price: sold
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