Screw pitch gauge - now double-sided - to measure both Whitworth (55-degree angle) and Metric (60-degree angle) threads. Includes templates for all common sizes. This is the best quality one that I've been able to find - not as good as a traditional Jones & Shipman, but still pretty decent.

An inexpensive plastic vernier caliper that will accurately measure thread diameters.

Inch and Metric Thread Pitch Gauge (55-degree inch 60-degree mm pitches) Two-sided covering all whole-number pitch sizes

Thread Dial Indicators to fit Boxford, South Bend "9-inch" lathes and Smart & Brown Sabel, SAB and S lathes - with Imperial 8 t.p.i. pitch leadscrews and for other makes of lathes (such as the Harrison M300 and some Colchester Bantam lathes) with 6 mm pitch leadscrews. Use the 'down-arrow' box below to select the one you need.
 

BOXFORD Metric Micrometer Dial. Fits both the cross and top-slide scews of most models including: A, B, C, AUD, BUD, CUD, T, TUD, CSB. Most VSL lathes had a cross-feed dials of a larger diameter though the top slide was the same as the ordinary models.