text:  He requested a petition to be read signed by a Mr Gray and a considerable number of other jobmasters and livery stable-keepers against wood pavement; and as it formed the text on which he spoke we quote it entire:-- "To the Commissioners of Sewers-- "The humble memorial of your memorialists humbly showeth --That in consequence of the introduction of wood pavements into the City of London in lieu of granite a very great number of accidents have occurred; and in drawing a comparison between the two from observations made it is found where one accident happened on the granite pavement that ten at least took place upon the wood