Student mathematical notebook of Ephraim Eliot, 1779

Handwritten mathematical notebook of Ephraim Eliot, kept in 1779 while he was a student at Harvard College. The volume contains rules, definitions, problems, drawings, and tables on arithmetic, geometry, trigonometry, surveying, calculating distances, and dialing. Some of the exercises are illustrated by unrefined hand-drawn diagrams, as well as a sketch of a mariner’s compass. The sections on navigation, mensuration of heights, and spherical geometry are titled but not completed. The ink of the later text, beginning with Trigonometry, is faded.

Notes: concerning sermons : manuscript, 1728-1730

Notes on sermons delivered by John Webb and Peter Thatcher, Congregational ministers at the New North Church in Boston.

A discourse on natural religion: delivered in the chapel of the University in Cambridge, September 3r, 1795, at the lecture founded by the Honourable Paul Dudley, Esqr

The hand-sewn notebook contains a manuscript draft of the Dudleian lecture delivered by Thomas Barnard on September 3, 1795 at Harvard College. The sermon begins with the Biblical text Acts 14-57. The copy includes a small number of edits and struck-out words. The covers are no longer with the item.

Account book, 1780-1802 (inclusive)

Account book of the Rev. John Lathrop, who was minister of the Second Church in Boston (Old North Church) from 1768 to 1816.

Portsmouth Harbor and Piscataqua River, New Hampshire and Maine, Nautical Chart, 1779 (Image 1 of 2) (Raster Image)

This layer is a georeferenced raster image of the untitled, historic nautical chart: [A chart of Piscataqua Harbour] (sheet originally published in 1779). The map is [sheet 32] from the Atlantic Neptune atlas Vol. 3 : Charts of the coast and harbors of New England, from surveys taken by Samuel Holland and published by J.F.W. Des Barres, 1781. Scale [ca. 1:25,000]. This layer is image 1 of 2 total images of the two sheet source map, representing the southern portion of the map. Covers coast of New Hampshire from North Beach to Portsmouth. The image is georeferenced to the surface of the earth and fit to the 'World Mercator' (WGS 84) projected coordinate system. All map collar information is also available as part of the raster image, including any inset maps, profiles, statistical tables, directories, text, illustrations, or other information associated with the principal map. This map shows coastal features such as harbors, inlets, rocks, channels, points, coves, shoals, islands, and more. Includes also selected land features such as cities and towns, buildings, and roads. Relief is shown by hachures. This layer is part of a selection of digitally scanned and georeferenced historic maps from The Harvard Map Collection. The entire Atlantic Neptune atlas Vol. 3 : Charts of the coast and harbors of New England has been scanned and georeferenced as part of this selection.