The First Generation
The Pilot ACE
The English Electric DEUCE
The Bendix G15
Numerical Control on the Bendix G-15D at Northrop Aircraft, by Max Brown
The Sydney University SILLIAC
Hair planimeters
Hatchet planimeters
Early Amsler planimeters
Willis and Lippincott planimeters
Coffin planimeters
The New Improved Slideing Rule
A timber merchant's Rule?
Barker Family
Truscott Family
