Optical bench with meter stick.
Adequate for high school level physics. Set includes the following: 1 screen support, 2 lens supports, one each for 38mm and 75mm lenses/mirrors, 5 Board screens measuring 10 x 12.5cm with a millimeter scale on both sides (scale is 0-centered), 1 marker and object, 2 metal supports for the meter stick, 1 candle holder, 1 paraffin candle and 1 meter stick.
Forensics Lab Supply Number 3920006.
Formerly Grau-Hall Corporation dba Grau-Hall Scientific.