At 39'35" the lenses of a camera are visible on the right before reversing out.
At 21:48 after Steed ordered cuts of meat from a butcher Mrs. Gale tells Steed, "But you can't cook." However, in the episode "Death Ala Carte," Steed poses as a chef and makes Beef Bourguignon and a pheasant dish, proving that he is an expert cook.