A dancing master caliper signed Holtzapffel (rubbed); an outside caliper signed Holtzapffel & Co.; a turner's square signed Holtzapffel & Co.; a brass bell centre punch (Vol IV Fig 200); a Starrett No. 85 caliper; a Starrett No. 360 toolmaker's protractor; a Starrett miniature surface gauge; two Whitworth thread gauges; two standard wire gauges; and an experimental caliper (11)