ID: 
2200
Maker's Name: 
Physics Workshop (?)
Where made: 
Australia
Where used: 
UQ Teaching Labs
Dimensions: 
76 × 25 × 3.5 cm

This unit can be used to demonstrate two Vernier scales. The lower one is a simple Vernier giving a ten-fold division of the smallest scale division, while the upper one simulates a spectrometer scale divided to 0.5 degrees with a Vernier giving a fifty-fold 'magnification'.