Starrett combination square
Escuadra combinada de Starrett
- Date
- 1879 · confidence high
- Place
- Athol, Massachusetts, United States
- Credited to
- Laroy S. Starrett
- People
- 👤 Laroy S. Starrett1836–1922
- Field
- Tools
What it is
A square with a graduated blade and a sliding head that serves as a 90 and 45 degree square, a level and a marking gauge. Laroy Starrett patented it in 1877 and it is now a universal workshop tool.
What it led to
- marking out and checking angles and heights with one tool
- machine shops with graduated steel rules
- card and pocket mitre squares