John Brashear Time Capsule - Al-Paslow
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In a typed and signed letter from Professor Langley now at the Smithsonian notes the great prisms lenses and mirrors made by Brashear. Reference is made by Langley on the Bolometer of which Langley invented.

"Private   July 19, 1894"
"Dear Mr. Brashear: I thank you for counting, in your letter of July 16, on my interest in your work. I wish I had some of the things over which you and I worked together in the old times, but I cannot now think of anything better to send than the inclosed sample of my very latest work done with the bolometer, which owes its success in no inconsiderable part to your optical work in the great prism and lenses, and in the mirrors, large and small. I have written this on the back of the paper, and if this is the kind of thing you want, take it with my recollections of all our old days and my heartiest congratulations on the success which you have so deservedly met."
"Would that our old friend could know of. Perhaps he does."
"Cordially yours S. P. Langley"

"Mr.  John A. Brashear Allegheny PA"

In a typed and signed letter from Professor Langley now at the Smithsonian notes the great prisms lenses and mirrors made by Brashear. Reference is made by Langley on the Bolometer of which Langley invented.

"Private July 19, 1894"
"Dear Mr. Brashear: I thank you for counting, in your letter of July 16, on my interest in your work. I wish I had some of the things over which you and I worked together in the old times, but I cannot now think of anything better to send than the inclosed sample of my very latest work done with the bolometer, which owes its success in no inconsiderable part to your optical work in the great prism and lenses, and in the mirrors, large and small. I have written this on the back of the paper, and if this is the kind of thing you want, take it with my recollections of all our old days and my heartiest congratulations on the success which you have so deservedly met."
"Would that our old friend could know of. Perhaps he does."
"Cordially yours S. P. Langley"

"Mr. John A. Brashear Allegheny PA"

SamuelPLangleylettertoBrashear.Bolometer