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 results ensue. This was very evident in numerous and striking instances, which will be hereafter noticed.

It is to the introduction of railroads that the advantageous subdivision of manufactures is to be chiefly ascribed. The operations of large establishments are no longer confined to particular localities; the facilities of transport being so great, they are enabled to supply their special products, not only to a district or a kingdom, but to the world at large.

It is evident that isolated notices of details made in various places must have a disconnected character, and it is, therefore, convenient to mention in separate paragraphs what appeared worthy of remark.

3. Locality of Works.—Beam Engines.—Nearly all the marine engine works in New York are conveniently situated on the water side, and have slips attached to their yards, where vessels may be moored. The rise and fall of the tide is generally so small as to obviate the necessity of docks. Steam engines having their beams above the deck, are commonly used for the river and ferry boats, and they have generally a very long stroke. The following are some of the dimensions of a beam engine of one of the New York river steamers:—