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Long mahogany strip brass pin gauge with five pins

1758-1769

Short mahogany strip brass pin gauge with eight pins

1758-1769

Long mahogany strip brass pin gauge with eight pins

1758-1769

Short mahogany strip brass pin gauge with five pins

1758-1769

wooden marking gauge

1825-1860
Nine mahogany strip brass pin gauges, three gauges with five pins, one long gauge with four pins, two short gauges with four pins, one long gauge with three pins, one gauge with eight pins arranged 1-3-3-1, one gauge with two pins arranged in two directions, by James Watt, Glasgow, Scotland, 1758-1769. Used for positioning the drilling of flute finger holes. The pins have been positioned by using a marking gauge. Three 5 pin gauges: markers for lower body joint, marking key hole, three finger-holes and body end. For D flutes (slight variations). Gauge with eight pins arranged 1-3-3-1: Mark little finger-holes on foot joint, six more holes and the top of body for piccolo like RCM 763. Gauge with two pins arranged in two different directions: Long span gives length of left-hand joint (upper). Shorter span gives length of right-hand joint (lower). External measurements of body parts for D flute. Long gauge with four pins: Marks one joint three + one finger-holes, for F flute Long gauge with three pins: Finger-holes and fipple-hole for galoubet RCM 65 – pipe to go with drum Two short gauges with four pins: Mark three finger-holes and key-hole for lower joint and foot of D flute like RCM 326 FL/ 4

Nine mahogany strip brass pin gauges

1758-1769
Three marking gauges.

Three marking gauges, from Shipwright's tool chest, 1845-1855