An English steel and brass clockmaker's mandrel, unsigned, probably Lancashire, mid 19th century The 4.5 inch circular faceplate fitted with three adjustable dog teeth work clamps applied to spindle pivoted within brass elongated U frame via adjustable end-pivot and driven by offset six-spoke hand wheel mounted via depth adjusting slide on a curved steel arm, the opposing end with integral brass bar bed fitted with an adjustable tool rest, 30.5cm (12ins) long. A similar albeit smaller mandrel stamped John ALCOCK is illustrated in Crom, Theodore R. Horological Shop Tools 1700-1900 on page 529 (Figure 1051).
An English steel and brass clockmaker's mandrel, unsigned, probably Lancashire, mid 19th century The 4.5 inch circular faceplate fitted with three adjustable dog teeth work clamps applied to spindle pivoted within brass elongated U frame via adjustable end-pivot and driven by offset six-spoke hand wheel mounted via depth adjusting slide on a curved steel arm, the opposing end with integral brass bar bed fitted with an adjustable tool rest, 30.5cm (12ins) long. A similar albeit smaller mandrel stamped John ALCOCK is illustrated in Crom, Theodore R. Horological Shop Tools 1700-1900 on page 529 (Figure 1051).
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.jpg "Source: Christie's")
.jpg "Source: Christie's")
