heavy downpour had begun some minutes before the start and had thoroughly drenched the kite, making her so heavy that every one but Dr. Bell urged that the experiment be postponed (when Mabel II. was

Fig. 17. Front View of Mabel II.

Fig. 18. Mabel II. Outlined against Sky showing Bird-wing Effect.

weighed after the experiment it was found that the rain water and leakage in the boats had increased her weight by sixty-four pounds); second, the operator on the deck of the steamer had given Mabel II.