William Renard Pilkington (1913) Patent for 'Pilkington’s Mechanical Equation Table', spec. 2956.
Preview |
Image (JPEG) (low res)
Available under License Creative Commons Attribution Non-commercial No Derivatives. 2MB | |
Image (TIFF) (high res)
Restricted to Registered users only Available under License Creative Commons Attribution Non-commercial No Derivatives. 73MB |
Digital ID: 2956
Repository Staff Only: item control page