File:The American educator; completely remodelled and rewritten from original text of the New practical reference library, with new plans and additional material (1919) (14781985071).jpg

Identifier: americaneducator05fost (find matches)
Title: The American educator; completely remodelled and rewritten from original text of the New practical reference library, with new plans and additional material
Year: 1919 (1910s)
Authors: Foster, Ellsworth D., ed Hughes, James L. (James Laughlin), 1846-1935
Subjects: Encyclopedias and dictionaries
Publisher: Chicago, Ralph Durham Co.
Contributing Library: Internet Archive
Digitizing Sponsor: Internet Archive

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River and into the AtlanticOcean. The coasts are broken by numerousbays and small inlets and dotted with har-bors. Toronto, Hamilton, Kingston and Os-wego are the principal ports. The most im-portant rivers discharging into the lake areGenesee, Oswego, Black, Humber and Trent.The lake is navigable throughout the year andcarries a heavy commerce. By canal it isconnected with the Hudson and Ottawarivers. See Great Lakes. ONYX, oniks, a variety of agate with colorswhich are ususally shades of brown, green orred, alternating with white, arranged in par-allel bands. When the red is of a deep brown-ish hue, and the white pure and transparent,the variety is known as sardonyx. Onyx wasformerly highly prized for making cameos,the figures being formed of one layer and thebackground of another, and it is still usedto some extent for this purpose. Meoncanonyx is not a true onjrs, but is a translucentlimestone, with iron and manganese irregu-larly scattered through it, producing the beau- ONTAI\IO
Text Appearing After Image:
1, Hi . .M \, _n,., Falls. 2, ( anailian Lock at Saiilt Ste. Marie. .3, Dairy Products. 4, Fruits. 5, Grain Elevator at Fort William. 6, University ColleKe. Toronto. 7, Smelter in the Cobalt District. OPAL 2663 OPERA tiful varieg^ated appearance for which thisstone is noted. It is found in la^ers in caves,where it was deposited by water. This stonewas used by the Aztecs, who carved it intoidols, masks and a variety of other objects.It is very soft and easily worked. SeeAgate; Chalcedoxy; Precious Stones. OPAL, a precious stone, frequently show-ing a brilliant play of colors—yellow, red,gieen, blue. It is composed of silica andwater, and is easily broken. The general ap-pearance of the preciaus opal is whitish ormilky, and the tints displayed are red, yel-low, green, and blue or \iolet. The mostbrilliant variety known is the fire opal. Opalsare found in Australia and in the westernpart of the United States. The best aremined at Dunkirk, Hungary. The finestopal known is an Austrian cr

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