The Southern Swing Shift Pattern

A detailed look at the Southern Swing Shift Pattern

The Pitman Shift Pattern

A detailed look at the Pitman Shift Pattern.

The Kelly Shift Pattern

A detailed look at the Kelly Shift Pattern.

The Dupont Shift Pattern

A detailed look at the Dupont Shift Pattern.

The 48-96 Shift Pattern

A look at the 48-96 Shift Pattern.