1. Two partners carried on a business. One of them retired, but the partnership continued with a new partner still using the name of the old firm. A customer who had dealt with the firm over a number of years supplied goods to the new firm, unaware of the change in the partnership. He was subsequently told of the change, and when the new partnership was unable to pay for the goods, he had supplied he considered bringing an action against the retired partner for the partnership debts. Advise the customer of his rights.