Autograph letter signed to G.H. Darwin
Autograph letter signed to G.H. Darwin
Autograph letter signed to G.H. Darwin
Autograph letter signed to G.H. Darwin
Autograph letter signed to G.H. Darwin
Autograph letter signed to G.H. Darwin
Calculations sent to Alexander Freeman
Calculations sent to Alexander Freeman
Copy of letter to Alexander Freeman
Copy of letter to Alexander Freeman
Typed copy of letter to J.R. Hind
Typed copy of letter to J.R. Hind
Autograph letter signed to F. Bashforth
Autograph letter signed to F. Bashforth
Typed copy of letter to Francis Bashforth
Typed copy of letter to Francis Bashforth
Typed copy of letter to Edward Roberts
Typed copy of letter to Edward Roberts