Collection Search

[Observations regarding the firing of artillery] [in French]

"Observations sur les causes qui derangement les portees des bombes, & sur les attentions qu'il faut avoir pour les tirer avec succes."

GLC02437.00705

Construction of a carriage for cannon which have their trunnions broken off [incomplete]

Drawing of a special carriage for a cannon, with the comment "A carriage for a Cannon if the trunnions be broken off. Many Cannon are mounted upon this construction at Boston." Trunnions are the knobs on both sides of a cannon that form the axis on...

GLC02437.00541

Some remarks on Mr. Ressons observations on the uncertainty in throwing shells & attempts to remedy the defects that occasion this uncertainty

Technical treatise on various aspects of shells, including the casting of shells using the mold of an iron pot, fuse cases, defects in mortars, the size of powder grains, and other details. A separate page, number nine, is a drawing illustrating...

GLC02437.00701

[Discussion of small cannon]

Discusses the observations of Maurice de Saxe on small cannon in his book Mes Réveries. Page two offers descriptions of figures sketched on page five, which are accomplished drawings of rifles and cannon mounts. On pages three and four, Nicola...

GLC02437.00703

to Andrew Johnson

Signed by Acting Rear Admiral Lee as Commander of the Mississippi Squadron to President Johnson. Lee says that John Mercer Brooke of Virginia, who is now in Richmond, is deserving of amnesty. Says Brooke was trained in the U.S. Navy, resigned to...

GLC02029.01

to [Arnold] B. Johnson

"The 'water-closet' is one of the gifts of modern civilization, & must always be taken into account when you select a house." Written to Johnson in Washington, D.C.

GLC02095.13

to John C. Spencer

Answers Spencer's questions about matters involving telegraphic conductors. Gives information on who will supply the pipe, pricing and payment, and delivery of it. States that he first found out about the deficiencies of the pipe on 6 December 1843...

GLC02113

to C. F. Manahan

Requests that Manahan make arrangements with Western Union Telegraph Company or the Atlantic & Pacific Telegraph Company to connect lines with his private line. Offers to repeat a telephone lecture in Lowell [Massachusetts] as long as the lines are...

GLC02062

to Munn & Company

Written by Ericsson, the Swedish immigrant inventor responsible for building the first Union ironclad ship, to the Munn & Company as proprietors of the magazine "Scientific American." Writes that he is returning their article "on the subject of my...

GLC02106

to John C. Spencer

States that the lead pipe delivered by F.O. J. Smith, the contractors with Mr. Tatham and his brothers, is defective. Describes the main problem, "I find it defective in many points but particularly in the destructive effect that has been produced...

GLC02112