Archdale / Cunliffe and Croom Indexing tables for Universal Milling Machines. The
UNIVERSAL type is the Horizontal Miller with a "swing table"
 - the charts are for using the dividing head, powered and hand-turned,
 when calculating divisions, leads and sprirals. Changewheel seetings
 are provided for Plain and Differential Indexing and Indexing Movements for High Numbers.