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.