Upon the court's own motion or the request of any party, the jury, or the court, if the action is tried without a jury, shall return, in addition to a general verdict or finding, such specific findings as will determine the issues among all parties. Questions submitted to the jury for special findings shall be prepared or approved by the court and shall be in writing.
See Editorial Comment preceding Rule 2251.
Rule 2257 as originally adopted February 14, 1939, effective September 4, 1939, read as follows:
(a) The answer shall be framed in the same manner and form as is required for the pleading of a defendant in an action of assumpsit.(b) A copy of the answer of the additional defendant shall be served upon every other party of record within five days after the filing of the answer.(c) All allegations of fact in the petition which establish any liability of the additional defendant to or with the party bringing him on the record and which are not answered or not sufficiently answered by the additional defendant shall become conclusive as between, but only as between, the additional defendant and the party bringing him on the record."