DISCONTINUED (Verified 02/93) RETAINED IN DATABASE FOR REFERENCE. Training, testing and evaluation tool for use with control switches. Operates in Scanning Mode: light moves automatically until stopped.
The 4-Switch Joystick, model CM-19, is a joystick lever that may be moved in any of four directions. Moving it in a particular direction will activate one switch. This joystick is also available with an additional pushbutton switch.
DISCONTINUED. (Verified 8/1999) RETAINED IN DATABASE FOR REFERENCE. 5th through 7th Grade Math Competencies is a 32-disk series of math and consumer skills tutorial programs that includes 13 disk sets.