Logic design slide rule
Manual calculator for analog and digital numbers
Measuring device
Mechanical device for determining the modulus and loss factor of
Method and apparatus for determining the exponential powers of "
Method and apparatus for determining the exponential powers of "
Method and calculator for converting concrete reinforcing...
Method and means for determining the ease with which a cow may g
Patch cord length calculator
Pavement system calculator
Price comparison device
Range and drop calculator for use with telescopic gun sights
Scheduling tool
Scheduling tool
Signal outputting device of optical ruler
Six sigma calculator
Slide calculator with liner
Slide rule
Slide rule cursor
Slide rule for hyperalimentation dosage computations