Bausch & Lomb Spectronic 20

Power Supply: 120 V, 3 A, 60 Hz
ideal for a wide range of research and classroom applications.
It is rugged enough for classroom use and reliable
for industrial or research applications.
Single-beam unit is suitable for general colorimetric and spectrophotometric applications.
Easy-to-use, reliable, and efficient.
Sample compartment holds a wide range of cuvettes,
adapters, and test tubes for a diverse range of chemical tests.
Unit accepts sample volumes as low as 0.75mL.
Wavelength range: 340-640, or 400-700 or 650-950,
depending on phototube and filer installed.
Spectral Slitwidth 20nm