Project IRENE Using optical scanning to digitize ethnographic field recordings on wax cylinders

Scanning Machine: Detail Showing Probe and Cylinder

A close up of the probe (the black cylinder at the right of the image) and a cylinder loaded on the machine (the brown cylinder on the left of the image). The probe shines a white light that is 1.8 mm wide (visible as the white line on the cylinder) and analyzes the intensity and color of reflected light to find the height of 180 points on a surface.
Actual Dimension:
Exhibit Tags:
probe, method, data acquisition, setup, detail, and closeup