13 results found for: subject:"Engineering instruments"

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1902 June 4

Lyman, Benjamin Smith, 1835-1920

Letter from Benjamin Smith Lyman to Arthur E. Kenelly

Philadelphia (Pa.) - Discussing Estrada's survey method, and informing Dr. Kenelly that Dr. Wahl will report on their investigation into the novelty and merits of that method to the Subcomittee on Science at the Franklin Institute.

Benjamin Smith Lyman Papers

1902 June 13

Lyman, Benjamin Smith, 1835-1920

Letter from Benjamin Smith Lyman to Arthur E. Kenelly

Philadelphia (Pa.) - Accompanying a draft of a report on the Estrada geological balance, and granting Dr. Kenelly permission to amend it as necessary.

Benjamin Smith Lyman Papers

1859 June 1

Lyman, Benjamin Smith, 1835-1920

Letter from Benjamin Smith Lyman to Mr. Lesley

Beaver Meadow (Pa.) - Lyman requests that several tools and materials be brought or sent to Beaver Meadow to facilitate work. There are several calculations on the final page.

Benjamin Smith Lyman Papers

1862 Nov. 17

Lyman, Benjamin Smith, 1835-1920

Letter from Benjamin Smith Lyman to J. Peter Lesley

Llewellyn (Pa.) - Lyman requests that Mr. Lesley send or bring a specific type of clinometer and a pocket compass to help improve the measuring of dips in the land being surveyed, in addition reiterating his need for several other small plotting tools. He explains that the weather is limiting the amount of surveying that can be accomplished and details what has, and has not been comple... more

Benjamin Smith Lyman Papers

1902 Mar. 17

Lyman, Benjamin Smith, 1835-1920

Letter from Benjamin Smith Lyman to Rossiter W. Raymond

Philadelphia (Pa.) - Enclosing a list of misprints and corrections to Mr. Hoskold's Mexican Meeting paper, and mentioning the printer's progress on the Special Volume of the Transactions of the American Institute of Mining Engineers.

Benjamin Smith Lyman Papers

1902 Mar. 20

Lyman, Benjamin Smith, 1835-1920

Letter from Benjamin Smith Lyman to Rossiter W. Raymond

Philadelphia (Pa.) - Discussing a term used in Mr. Hoskold's paper for the Special Volume of the Transactions of the American Institute of Mining Engineers.

Benjamin Smith Lyman Papers

1862 Nov. 22

Lesley, J. P. (J. Peter), 1819-1903

Letter from J. Peter Lesley to Benjamin Smith Lyman

Philadelphia (Pa.) - Lesley offers his help if Lyman can show a way of getting out of the difficulty with profit and notes that any profit will go to Lyman. The leeway is the important matter and Lesley will travel to Pottsville to stay with Lyman there as long as necessary. He will try to determine the limit of error on the depth of the veins and hurry up a map of the property. Lesley includes sketches of... more

Benjamin Smith Lyman Papers

1876 June 22

Lyman, Benjamin Smith, 1835-1920

Letter from Benjamin Smith Lyman, Ichinosawa, Shinsh?, Japan to Mr. Lesley

Nagano-ken (Japan) - Lyman requests a favor from Mr. Lesley: to contact Mr. Heller of Heller & Brightly regarding a potential order. His numerous attempts to contact Heller regarding an undelivered order of survey instruments have been unanswered for the past two years, and Lyman needs to know if a contract for a new order can be made. He also mentions the printing of the maps for his work on the c... more

Benjamin Smith Lyman Papers

1902 June 17

Lyman, Benjamin Smith, 1835-1920

Letter from Benjamin Smith Lyman to Arthur E. Kenelly

Philadelphia (Pa.) - Agreeing to amend a report on the Estrada geological balance by removing the ambiguous word "beautiful," and informing Dr. Kenelly of the same report's submission to Dr. Wahl at the Franklin Institute.

Benjamin Smith Lyman Papers

1857 May 28

Lyman, Benjamin Smith, 1835-1920

Letter from Benjamin Smith Lyman to Mr. Lesley

Clearfield County (Pa.) - Lyman describes a visit with the McHugh family, and the difficulty of field research in the mines of the Powelton Colliery at night. He encloses an unspecified notice to be posted for the Miller's Iron Works.

Benjamin Smith Lyman Papers