Manuscripts
André Michaux letters to André Thouin
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Giovanni Amici letter to André Melly
Manuscripts
Autograph letter signed (in Italian) by Giovanni Amici to Swiss-born entrepreneur, museum agent, and entomologist André Melly, discusses a microscope that Amici had built for Melly, and touches on the state of microscopy in the early nineteenth century including current prices. In the letter Amici also talks about how English physicist William Wollaston is "unwilling to believe in any observation made with the microscope" but forgives him due to Wollaston's eye and sight problems. Amici also asks Melly for the addresses of "famous botanists Dawson Turner...Robert Brown, William Roscoe, and William Ker, all members of the Linnean Society." The letter Includes a small drawing of and a small clipping about Amici.
mssHM 72876
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André-Marie Ampère letter to "Monsieur et cher ami"
Manuscripts
Letter from André-Marie Ampère to an unidentified recipient. The letter, which concerns a social engagement, is in French and was written from Paris. It was dated July 24, with no year given.
mssHM 83057

Journal of John André, 1777, June 11 - 1778, Nov. 15
Manuscripts
Journal that André kept while aide-de-camp to Charles Grey, from June 11, 1777 to November 15, 1778. There are no entries for the period from Dec. 30, 1777 to June 1778. The journal covers the Philadelphia campaign and its aftemarth, including the battles of Brandywine, Germantown, White Marsh, and Monmouth; British raids in New Bedford (1778, Sept. 5-6) and Martha's Vineyard (1778, Sept. 10-15) and Baylor's massacre at Old Tappan, N.J. (1778, Sept. 27) Also included are returns of troops under the command of Sir William Howe and Henry Clinton.
mssHM 626
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John André Journal and Maps
Manuscripts
Journal that André kept while aide-de-camp to Charles Grey, from June 11, 1777 to November 15, 1778. There are no entries for the period from Dec. 30, 1777 to June 1778. The journal covers the Philadelphia campaign and its aftemath, including the battles of Brandywine, Germantown, White Marsh, and Monmouth; British raids in New Bedford (1778, Sept. 5-6) and Martha's Vineyard (1778, Sept. 10-15) and Baylor's massacre at Old Tappan, N.J. (1778, Sept. 27) Also included are returns of troops under the command of Sir William Howe and Henry Clinton. The journal contains 44 ink and color maps. The following inset maps have been taken out of the manuscript and are stored separately: 1) HM 3086. Progress of the British Army from the landing in Elk River to the taking possession of Philadelphia. 1777; 2) HM 3087. Battle of Brandewyne. 1777, Sept. 11; 3) HM 3088. Battle of German Town. 1777, Oct. 4; 4) HM 3099. Plan of Forts Clinton & Montgomery, stormed Oct. 6, 1777 by the troops under Sir Henry Clinton; 5) HM 3089. Mud Island, with the Operations for reducing it. 1777, Nov. 15; 6) HM 3090. Attack on an advanced Corps of the Rebels. 1777, Dec. 6; 7) HM 3091.Redouts near Philadelphia. 1777, Dec.; 8) HM 3093. Battle of Freehold. 1778, June 28. 9) HM 3097. Plan of the Island of New York from Horn's Hook to the Advanced Posts in Front of Kingsbridge. 1778, July; 10) HM 3094. Bedford & Fair Haven. 1778, Sept. 7; 11) HM 3095. Coast line from Long Island to Martha's Vineyard. 1778, Sept.; 12) HM 3096. District between the North (or Hudson) River and Saddle River, in the vicinity of Fort Lee. 1778, Oct. 13; 13) HM 3098. Strong posts which can be relieved by water in case an Attack [the coastline between the James River and Long Island]. 1778.
mssHM 626
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Joseph Jérôme Le Français de Lalande letters to Jean André Deluc
Manuscripts
Four letters signed with autograph additions, in French, to Jean André Deluc, from Paris. The letters discuss several astronomical issues, and Lalande mentions William Herschel's works and refers to Deluc's controversey with H.B. Saussure.
mssHM 83117-83120
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Marsilio Landriani letters to Jean-André de Luc
Manuscripts
Nine letters written by Marsilio Landriani to Swiss meteorologist, physicist, and geologist Jean-André de Luc (1727-1817), addressed as "Monsieur" and "Mon cher Monsieur" in their salutations. The letters, which are in French, relate to Landrianis work as a physicist, and address topics including electricity, meteorology, hygrometry, and various experiments. Those dated 1783, 1786, and 1787 were written from Milan, Italy, and those dated 1788 were written from London, England (two letters), or from an unspecified location (one letter). Six letters bear red wax seals, and two show traces of seals that were removed. Three letters include the name Landriani or M. Landriani handwritten in red ink at the top.
mssHM 82696-82704