Summing calculator to assist analysis of past performance

Sun angle calculator

Sunlight calculator

Synchronously sweeping line scan imager

Synthetic aperture system for information transfer and object id

System and method for providing a security check on a credit car

System for accepting wide ranges of universal product code syste

System for collecting data

System for digitally collecting and storing data

System for preparing commutation ticket and the like

System for verifying the user of a card

Table correlating device for scuba divers

Table top display devices

Tactical indicator for bulkhead and other compasses

Tactical nuclear slide rule

Tactical nuclear slide rule for a plurality of environments

Tape readers

Target for torpedo launch system

Tax calculator

Test form for use with a test scoring apparatus