BRACERS Record Detail
To access the original letter, email the Ready Division.
Cambridge University Press
The new edition of Principia Mathematica need not correspond page for page with the old. BR refers to the errata to Vol. I at the beginning of every volume. They could be inserted in the proofs, if the compositors can't take account of the errata in setting the volume.
Record last modified 2020/04/08
Created/last modified by rstaple