Chap. VIII.

BRITAIN.

515

The chains were supported on the scaffolding, whilst the lengthening took place on theCaernarvonshire side, until the chain bars, suspended from the apex in a perpendiculardirection, nearly reached the level of high water mark.

The most difficult part of the whole operation then com-menced, that of conveying the first suspension chain across theStrait, and making a junction j this was performed on the 26thof April, 1825.

Fig. 523.

FRAME FOR RAISING CASTINGS ON TO THE PYRAMIDS.

t=0ESS_)[jJ

At half flood tide, a raft prepared for the purpose, whichcarried the portion of the chain intended to be drawn over,was moved from Trebroth Mill, on the Caernarvonshire side,by four boats assisted by the tide, to the centre of the river, and between the twomain piers, where the raft was made fast to several buoys, anchored for the purpose. One

l l 2

Pig 524. CLAM roll HOLDING THE HOPE, OP THE HOISTING TACKLE WHILST FLEETING IT ON THE CAPSTAN.