Then the attorney asked us all to sign it across the flap, which we did.

Then he put the sealing-wax on it and asked father to seal it with his own seal.

He did so.

Then he and MacKelpie sealed it also with their own seals, Then he put it in another envelope, which he sealed himself, and he and MacKelpie signed it across the flap.
Then father stood up, and so did I.

So did the two men--the clerk and the shorthand writer.