Historical information
Marking Gauges have been around for centuries in wood working shops, and is used to mark parallel lines on wood, either along the grain or across the grain, across the grain leaves a more jaggard line.
Significance
This simple tool allowed Crafts or Trades people to consistently and accurately make parallel lines.
Physical description
Wooden Marker
Part 1 - Marker
Part 2 - Wooden screw
Part 3 - Moving .....