Show his invention more widely known and hence made a visit to philadelphia taking his device with him at the franklin institute in that city he gave his first exhibition to quite a number of inventors artisans and mechanics As it Is now related every one who witnessed it war wa nore more than delighted and so expressed himself in his immediate presence it was not long that he be was allowed to remain in a condition of supreme happiness over his invention ven tion for a short time after he made a disclosure of his discovery and while yet in philadelphia he found out that hy by the very persons person to whom he had given an exhibition of the process of making lead pipe his idea had bad been used and im proved improved upon |