Lot Essay
Very few examples of this slide-rest are know to exist. Rotation of the large winch-key causes the top slide to revolve and move laterally at the same time.
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Details
A rare Universal or Elliptical slide-rest,
signed Holtzapffel & Co, London, with winch-key, two other keys, lever and bow-nut - for 6½-inch centre height
signed Holtzapffel & Co, London, with winch-key, two other keys, lever and bow-nut - for 6½-inch centre height