Allegheny Observatory,
Allegheny, Pennsylvania.

Dec. 10 1894

My Dear Mr. Lumsden,

      With this I return the drawing to accompnay the article on correcting lenses &c. I should have returned it before, but thinking you had already made a copy, I sent it to Prof. Hale for our new journal.

Allegheny Observatory,
Allegheny, Pennsylvania.

Nov. 19 1894

G. E. Lumsden Esqr.

Corresponding Secretary of the

Astronomical & Physical Society of Toronto.

My Dear Mr. Lumsden,

Allegheny Observatory,
Allegheny, Pennsylvania.

Oct. 10 1894

Mr. G. E. Lumsden,
Corresponding Secretary,
Astronomical & Physical Society of Toronto

My Dear Mr. Lumsden,

Allegheny Observatory,
Allegheny, Pennsylvania.
Sept 26 1894

My Dear Mr. Lumsden,

      I am greatly obliged to you for your kindness in sending me the bound volume containing the earlier transactions of the society. It makes my set complete, and I can have the later volumes bound to match.

Allegheny Observatory,
Allegheny, Pennsylvania.
Jan 17, 1894

G. E. Lumsden, Esq.
Corresponding Secretary of the
Astronomical and Physical Society of Toronto.

My Dear Mr. Lumsden,

I beg that you will convey to the members of the Society my most sincere thanks for the honor they have done me in electing me to honorary membership, and to assure them of my appreciation of this mark of their esteem.

Alleghany Observatory,
Allegheny, Pennsylvania.
Jan 2 1893

G. E. Lumsden, Esq.
Corresponding Secretary of the
Astronomical and Physical Society of Toronto.

My Dear Mr. Lumsden,