The Claws of Axos standard. The story includes interior scenes inside the TARDIS for the first time in the Pertwee era of the show. The configuration of the TARDIS set-up is unique for this adventure. The TARDIS monitor appears to be a circular screen embedded in one of the 'roundels' in the console room wall, rather than the traditional rectangular screen (this feature is seen again once, a year later, on the unique set built for "The Time Monster"). The doors of the console room do not open directly into the exterior as in all other adventures; instead they open into a corridor that
Circular letter of credit Circular letter of credit A circular letter of credit was a letter of credit issued by a bank or related financial institution to a private person, usually an individual of means, which enabled that person to draw funds from correspondent banks while traveling. This was considered safer than carrying large sums of cash. Such letters were often issued on special paper with formal lettering and designs to discourage counterfeiting. The circular letter of credit generally consisted of two or three separate items. The first being the actual letter addressed to correspondent banks stating the amount of funds that can be