Langley, Batty, 1696-1751 / The city and country builder's and workman's treasury of designs, or, The art of drawing and working the ornamental parts of architecture
Chap. 2. Of the intercolumnation or proper distance that the columns of every order are to be placed at, in the forming of designs for frontispieces, doors, windows, etc. , pp. 17-18
[Explanation of plates], pp. 18-24
Of PI1~RS f~ GATES. lice, ~as the Modillions in the lonick Cornice -over 'eilafters; ~therefore the Diftances of Corin- ~hib ~CdWUIU iuu& 42 the faaae te ~f hwic* PIM**s. AM ~ ~ Ditanoe of the oeitra~ Lis~ofCorinbia, Modillions, in a Cornice over ~imdimlnifhed Pilafters, is alfo fhewn in Prob. XV. ~of the Corinthian Order, to be 40 Minutes; there- fore it ~fol1ows, That to have two Modillioz~ between, the Diftance muft be two Diameters; to have ~hrce Modilhions between, two Diameters, *rt~ ~1itU1reS~; to h~i~ four Modilhions ~between, 'V. The Diftance of Compolite Modillions in a Cornice over Columns, is the fame as in the lonick Order~ therefore the Diftance of Compo]ite Columns and Pi~laflers are the fame as of lonick Columns and Pilafl~er~. The Manner of proportioning the feveral Or- ~de~s, and determining the proper Diftances they are to be .placed at, being thus explained; I fhall z~ow .prpceed to give fuch E~planation oF. the fol- 1.iwii~ Plates, as will render the Bufinefs of every Deep eafy and de~lightful to every one, who has ~made I i~dUfaMafter of the precedent Orders. ~Plate XVI, XVII, XVIIIS, XIX, XX. of PIERS far GATES. t~o make thefe, and all other Defigns contain- 44~ia1 ~ Work, eafy ~ the Underiff.anding of all ~ ~nd to enable fuch to work them, ~ required; I have to every De- gn a1~ize* Scales of Aliquot ?arta, (which never ~AS done bei'ore by any Matter) whereby, having oniy the Height of any Work to be made ~(whi4i in all Cafes mutt be given;) the Whole ~ay fr performed with the utmoit Exa~tnefs as -required. As for Exawpk; La it he required to proportion the Pier G, Plate XVI. to any gk.~'en Height. Divide the given Height, (fuppo~ ten ~Feer) isto four equal Parts (as fignified by the Scale on its Left Sk~e) give two thirds of the loweft I Part to the Height of the Subplinth G, and two thirds of ihe other third Parr, to the Height of the Plinth, Torus, and Fillet. Divide the upper fourth Part, in 3 Parts; and the upper i Part iI*~~f ~n ~ ?ares; of which, ~ 'the 2 Parts to the Height of the ~itai v~1~ Members are above defcribed at large by Fig. B. By the dotted Arch of a Quadrant in the Sub- plin*h G, it is evident, that the Breadth of the middle pi'oje&ing Part of the Pier, is equal to the Height of the Subplinth; which Breadth di- vide in 4, and give i to th~ Proje&ion of each Side.. The Height of the Subplinth ~of ~the Pine Ap- ple on the Capital, 'i~ one-Part and one Thirvi, as fignified by the dotted Semicircle: And the Height of the Pine Apple and its Pedeftal is de- -termined by the Jnrerfeaioa of Arches deiribed on the ~extren~ Points of the Capital's Projec- don, and which beir~g divided in 3 Parts, and the lower i in 3, &c. give to every particular Member, its refpe&ive Height, as exhibited. The Proje&ion of the ?hinth to ~the P.e~.leftal of the Pine Apple, is two thirds of the Projeaion of the mid- dle Part of the Pier. Now the young Student is to obfervc, that as the conftituent Parts of all the Defigna in this Work, are adjufted in the very fame Manner as thofe of theabove Example ; which, it is manifeft, are no fooner' feen but underifood ~ it is therefore evident, that to fay any Thing further rdatii~g thereto, is needlefs. Thef~ five Plates contain eighteen Defigos of Piers for Gates at Entrances into Gardens, Ave- nues, Courts, Palaces, &~. whkh may be built either of Stone or Brick, or of both, incermix'd, at the Plealiire of thoi~ for whom they may be ere&ed. Plate XXI, XXII, XXIII, XXIV, XXV. U ATE S for Entrances iniG Palaces, &c.. Five Defigna. for Gates, of which the firft, fecond, third, and fourth, are according to the Tufean, Derick, Lonick and Corinthian Orders; whofe refpe&ive Impofts and Architraves of their Arches are defcribed at large, and proportioned by AM- quot Parts, at the BottQm of each Defign as likewife is the Impoft and Architrave ro~rhc Gate, Plate XXV. made for an Entrance to~ the Houfe of a private Gentleman, &c.
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