Hugh D. Vail: "Volunteer Weatherman"

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South West View of West Town Boarding School

Tags: Westtown School

A Plan for a School: On an Establishment Similar to that at Ackworth in Yorkshire, Great Britain...

Tags: Society of Friends, Westtown School

Friends' Boarding School, West-town, Pa.

Tags: Westtown School

Description of the Observatory at Haverford College 1857

Tags: Haverford College, Joseph G. Harlan, Observatory

Equatorial Telescope

Tags: Joseph G. Harlan, Observatory

Haverford College Observatory

Tags: Haverford College, Joseph G. Harlan, Observatory

Transit Circle: Side Elevation

Tags: Haverford College, Joseph G. Harlan, Observatory

Transit Circle: Front Elevation

Tags: Haverford College, Joseph G. Harlan, Observatory

Bond's Spring Governor and the Sidereal Clock

Tags: Haverford College, Joseph G. Harlan, Observatory

Board of Instructors

Tags: Haverford College, Mathematics, Professor

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