Struttura urbana della architettura |
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Page li
... correspond- ence with other institutions at home and abroad , established for promoting important public objects ; and , with many of the local agricultural Societies of this country , in matters interesting to the districts in which ...
... correspond- ence with other institutions at home and abroad , established for promoting important public objects ; and , with many of the local agricultural Societies of this country , in matters interesting to the districts in which ...
Page 8
... correspond with the rails , and thus run with little friction . The friction is also , in some instances , materially les- sened by covering the wooden rails with malleable or cast iron . The cast - iron tracks of the earlier railways ...
... correspond with the rails , and thus run with little friction . The friction is also , in some instances , materially les- sened by covering the wooden rails with malleable or cast iron . The cast - iron tracks of the earlier railways ...
Page 10
... corresponding to the weight to be carried . These bars are set upon edge , instead of being laid flat , and are , there- fore , much stronger , weight for weight , than the flat laid bars . In a few instances , rail - road - bars have ...
... corresponding to the weight to be carried . These bars are set upon edge , instead of being laid flat , and are , there- fore , much stronger , weight for weight , than the flat laid bars . In a few instances , rail - road - bars have ...
Page 16
... corresponding with the dip of the rock , from which it is complete- ly excavated . About 94 yards of this railway are formed into a double waggon - way , in order to let the empty and the loaded boats pass up and down . The two ways are ...
... corresponding with the dip of the rock , from which it is complete- ly excavated . About 94 yards of this railway are formed into a double waggon - way , in order to let the empty and the loaded boats pass up and down . The two ways are ...
Page 26
... corresponds with , and works in- to , a similar conformation on the rim of a smaller wheel , round which the plummet - rope is coiled , and it is in consequence thereof moved round only once in six rotations of the suspending and ...
... corresponds with , and works in- to , a similar conformation on the rim of a smaller wheel , round which the plummet - rope is coiled , and it is in consequence thereof moved round only once in six rotations of the suspending and ...
Contents
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Common terms and phrases
acre amount annual contribution annuity applied ascending ascer ascertained axis axle bers bolls bottom breadth bushels bution caisson Canal carriage cast-iron ciety coiling Column 3d Column 5th commencing common road constructed Contributions and Distributions corresponding numbers crop cylinder diameter drains draught draw drills dung earth edge-rail entry-money equal Essay expence experiments feet fiorin firlots formed Friendly Societies future contributions given age grass harrowed Highland Society horse improvement inches inclined plane kelp lading laid land length less lever lime loaded waggons manure meadows miles nerally numbers in Column Orkney pinion plants Plate ploughed premiums proportion quantity rail-roads rails railway rope salt Scheme Scotland seeds shew shewn Shropshire Canal side soil sowing sown stone weight stones supposed surface Table tion tons track turnips water-meadows week of sickness weight wheels whole widows yards Zostera
Popular passages
Page 6 - The manner of the carriage is by laying rails of timber from the colliery down to the river, exactly straight and parallel; and bulky carts are made with four rowlets fitting these rails ; whereby the carriage is so easy that one horse will draw down four or five chaldron of coals, and is an immense benefit to the coal merchants.
Page lviii - Signed, by order of Court, Henry Woodthorpe. To which Address His Royal Highness was pleased to return the following most gracious Answer : " I thank you for this loyal and dutiful Address.
Page 320 - What number of persons can be employed in labour, must depend absolutely upon the amount of the funds which alone are applicable to the maintenance of labour. In whatever way these funds may be applied or expended, the quantity of labour maintained by them in the first instance, would be very nearly the same. The immediate effect of a compulsory application of the whole or a part of these funds, is to change the application, not to alter the umountof them.
Page 131 - Colebrook-dale, in Shropshire, where cast-iron was indisputably first applied to the construction of bridges, and, according to the information which I have been able to obtain, it was here also that Rail-ways of that material were first constructed. It appears; from the books of this extensive and long-established Company, that between five and six tons of rails were cast on the 13th of November, 1767, as an experiment, on the suggestion of Mr. Reynolds, one of the partners.
Page xlvi - The subdivisions of weights and measures, at present employed in this country, appear to be far more convenient for practical purposes than the decimal scale, which might perhaps be preferred by some persons for making calculations with quantities already determined. But the power of expressing a third, a fourth, and a sixth of a foot in inches, without a fraction, is a peculiar advantage in the duodecimal scale, and for the operations of weighing and of measuring capacities, the continual division...
Page 376 - Multiplying or dividing both the numerator and denominator of a fraction by the same number does not change the value of the fraction.
Page xlvi - The power of expressing a third, a fourth, and a sixth of a foot in inches, without a fraction, is a peculiar advantage in the duodecimal scale ; and for the operations of weighing, and of measuring capacities, the continual division by two renders it practicable to...
Page 3 - A piece of plate, of fifty guineas value, will be given for the best and approved essay on the construction of rail-roads, for the conveyance of ordinary commodities. In this essay it will be essential to keep in view, how far rail-roads can be adapted for common use in a country; — the means of...