Evidence given by a witness in a judicial proceeding, or before any person authorized by law to take it, is relevant for the purpose of proving, in a subsequent judicial proceeding, or in a later stage of the same judicial proceeding, the truth of the facts which it states, when the witness is dead or cannot be found, or is incapable of giving evidence, or is kept out of the way by the adverse party, or if his presence cannot be obtained without an amount of delay or expense which, under the circumstances of the case, the Court considers unreasonable: