©
C.K.H.: Knee Brace
©
C.K.H.: BusBars
©
C.K.H.: Beagle 2
©
C.K.H.: Mill Engine
©
C.K.H.: Slate R J Mitchell
©
C.K.H.: Condiments
©
C.K.H.: Lips
©
C.K.H.: Moire
©
C.K.H.: Cray Circuits
©
C.K.H.: Difference Engine
©
C.K.H.: Lift_Shaft
©
C.K.H.: Pump
©
C.K.H.: Miss England
©
C.K.H.: Atlas Computer
©
C.K.H.: Paddle steamer
©
C.K.H.: Scales
©
C.K.H.: Slide Rules
©
C.K.H.: Spaceman's Helmet
©
C.K.H.: Stephenson's Rocket
©
C.K.H.: Space Electronics
©
C.K.H.: Theodolite
©
C.K.H.: Computer Board
©
C.K.H.: Foucault pendulum
©
C.K.H.: Flying Bedstead
©
C.K.H.: Clock of the Long Now #1
©
C.K.H.: Ellipse
©
C.K.H.: Clock of the Long Now #2
©
C.K.H.: Dividing
©
C.K.H.: Model Airships