Various notes
Various notes
Report on Challis's paper "A direct method of obtaining analytically the mean motions of the apses & nodes of the moon's orbit".
Report on Challis's paper "A direct method of obtaining analytically the mean motions of the apses & nodes of the moon's orbit".
Postscript to letter to John Couch Adams
Postscript to letter to John Couch Adams
Draft autograph letter signed to James Simms
Draft autograph letter signed to James Simms
Copy of paper to James Challis
Copy of paper to James Challis
Copy of letter to J.W. Lubbock
Copy of letter to J.W. Lubbock
Copy of letter to James Challis
Copy of letter to James Challis
Copy of letter to James Challis
Copy of letter to James Challis
Copy of letter to James Challis
Copy of letter to James Challis
Copy of letter to J. Challis
Copy of letter to J. Challis
