Radix ( Base )

 Machine Language Emulator 

Jacquard machine 

Difference engine 

Book keeping Calculator 

Pascal's Calculator 

Rotary dial 

Mechanical Calculator (Comptometer) (Arithmometer)

Pinwheel Calculator 

Slide Rule 

Analytical engine 

Pedometer 

Arithmetic 

Analog Signal 

Finite-state machine 

Teleprinter 

Decimal Computer 

Computer Program 

Binary code 

Magnetic Wire Recording 

Analog 

Static Electricity (at rest)    Analytical Chemistry  ( 1 ) 

Engineering of Analytical Chemistry 

Heat / electromagnetic wave      Crystal - mineral(solid) , liquid . 

Solid State Physics 

Vaccuum ((Magnetism outside 2 poles of magnet) / (World ) ) 

Natural antenna - Sunlight sends vibration / Em wave , it falls on hand ,  hand is receiver . 

Signal Processing