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r suspended at the side of a vessel to facilitate the passage to and from the boats alongside.
Side ladders and stern ladders hang from these parts of a ship.
A free-reed instrument introduced into England from Germany about 1828.
The exterior form of this instrument is a parallelopiped.
The action consists of a bank of vibrating reeds or tongues which are operated by the bellows.
Keys open the air-ducts to the respective reeds as the bellows are expanded and contractedhaving been furnished with instruments at a very great expense.
The Greenwich Observatory was erected five years later; Flamstead, under the title of Astronomer Royal, was its first superintendent.
The Yale College Observatory was started in 1828, a donation made by Mr. Clark being expended in buying a telescope of Mr. Dollond of London.
It has a focal length of ten feet, and five inches aperture.
The Williams College Observatory was the first regularly constituted observatory in the U