H3-31: DUCK CALL
- ID Code: H3-31
- Purpose: Quack like a duck
- Description: Just quack You might want to use this with a spectrum analyzer. Despite legend, it will echo under appropriate circumstances, but none of our lecture halls are that large.
- Availability: Available
- References: http://www.physics.umd.edu/deptinfo/facilities/lecdem/services/refs/refsh.htm#H3-31
- Loc codes: H3