'Notes on the writing of the Principia'.
'Notes on the writing of the Principia'.
Notes on Newton's Principia.
Notes on Newton's Principia.
Notes on Newton
Notes on Newton
Notebook
Notebook
Draft? autograph letter signed to C.E. Searle
Draft? autograph letter signed to C.E. Searle
?Draft aurograph letter signed to Newton Wallop, 6th Earl of Portsmouth
?Draft aurograph letter signed to Newton Wallop, 6th Earl of Portsmouth
Copy of paper
Copy of paper
Copy of letter to J.W.L. Glaisher
Copy of letter to J.W.L. Glaisher
Copy of letter to J.J. Sylvester
Copy of letter to J.J. Sylvester
Autograph letter signed to
Autograph letter signed to
