Typed copy of letter to S. Newcomb
Typed copy of letter to S. Newcomb
Draft speech to Royal Society
Draft speech to Royal Society
Draft? autograph letter to Charles Delaunay
Draft? autograph letter to Charles Delaunay
Draft autograph letter signed to Simon Newcomb
Draft autograph letter signed to Simon Newcomb
Draft? autograph letter signed to G. Delaunay
Draft? autograph letter signed to G. Delaunay
Draft? autograph letter signed to Charles Delaunay
Draft? autograph letter signed to Charles Delaunay
Draft? autograph letter signed to Charles Delaunay
Draft? autograph letter signed to Charles Delaunay
Draft? autograph letter signed to Charles Delaunay
Draft? autograph letter signed to Charles Delaunay
Draft autograph letter signed to Charles Delaunay
Draft autograph letter signed to Charles Delaunay
Draft? autograph letter signed to Charles Delaunay
Draft? autograph letter signed to Charles Delaunay