175. Agent acquiring rights in subject matter.

Where the agent is entitled to sue on a contract and to a lien on the subject matter, the right to sue is not revocable by the act of bankruptcy of the principal until the claim secured by the lien is satisfied1.

A factor's authority to sell, however, is not irrevocable merely because he has made advances on the goods to his principal. The making of advances may, however, be a good consideration for an irrevocable authority to sell, provided that there is an agreement to that effect; such an agreement may be inferred from the circumstances