piece b, and steadied by guys.
The supporting columns were, by means of tackles attached to the cross-piece, hoisted into vertical position and there bolted, after which the girders were hoisted up in a similar way and secured to the columns.
Paxton's girders (crystal Palace, London, 1851).
B is an elevation, and C a plan of one of the castiron girders.
They were 23 feet 3 1/4 inches long, and 3 feet deep, and connected at top and bottom to the columns.
Their great comparative depth enng to the end of an iron, being shaped by the aid of a long knife.
The glass is twisted, pressed into an approximate shape, then reheated and stretched by another rod.
The Crystal Palace of London was built in 1851, after the designs of Sir Joseph Paxton, soon after the abolition of the excise duty on glass, and was considered to celebrate that event in a worthy and effective manner.
The roof and sides were, to a great extent, of glass, the sash being of wood, and the frame of the building
hich hold the panes of glass in place.
They are rabbeted or grooved on one side to receive the glass, and are mitered to each other and to the frame.
Those for the Crystal Palace, in 1851, were made by a special machine devised by Paxton and Birch, in which a series of revolving cutters shaped a piece which was afterward divided by circular saws into four parts, each constituting a complete bar, other saws of less diameter at the same time making the grooves for the glass.
Theide; waterspaces, 2 5/8″
In the Continental method of making sheet-glass, — introduced into England in 1850 by Chance Brothers, Birmingham, on the occasion of the construction of the World's Fair Expo- sition building by Sir Joseph Paxton, — the workman takes up a quantity, some 12 or 14 pounds of the semi-fluid material from the meltingpot upon the end of his tube, and elongates it by rolling upon a wooden table; he then blows it into an elongated spheroidal form, and then <
ommissioners from foreign countries, a feast presided over by Lord Ashburton, and attended by an ample representation of the science, talent, worth and rank of both hemispheres.
It was the particular desire of Lord Ashburton that the health of Mr. Paxton, the Architect of the Palace, should be proposed by an American, and Mr. Riddle, the American Commissioner, designated Horace Greeley for that service.
The speech delivered by him on that occasion, since it is short, appropriate, and character heaven—if we render fit honor also to those Captains of Industry whose tearless victories redden no river and whose conquering march is unmarked by the tears of the widow and the cries of the orphan.
I give you, therefore,
The Health of Joseph Paxton, Esq., Designer of the Crystal Palace— Honor to him whose genius does honor to Industry and to Man!
This speech was not published in the newspaper report of the banquet, nor was the name of the speaker even mentioned.
The omission gave h