He remembered that the Montgolfiers, and other early aerostats--previous to the introduction of the inflammable gas-- had used chopped straw and wool, and regarded these materials to be the best substances for inflating their balloons.

Karl had adopted their idea; and had provided chopped grass as a substitute for the chopped straw, and in lieu of sheep's wool he had procured a quantity of the _poshm_ of the ibex, and other animals, that had been killed--the rich shawl-wool of Cashmere! The car, which has already been described as a sort of deep hamper, was not over three feet in diameter.

It was evidently not equal to the holding of three persons--to say nothing of a large dog--for it is hardly necessary to say that Fritz was not going to be left behind.

The faithful creature had too long followed the fortunes of our adventurers to be abandoned by them now.
But there was not the slightest danger of that.

The dimensions of the car were large enough for what the "vehicle" was intended to carry, which was only _one_.
Karl believed that there would be little chance of the balloon having sufficient power to take up all three of them, their united weight being over four hundred pounds.