1.2.14
If a straight line be bisected and produced to any point ... the figures of the whole produced line, and of the produced part, are together double of the figures of the half line, and of the line made up of the half and produced part. (Notion: Kingsway through Euclid through Oliver Byrne p. 64)

Behind the homes owned at one time by the Pantages of theatre fame we see a double cottage event. One shed-like and suitable for a car, tools, a still.

One house-like and unsuitable for living. No. 336 is the address on the nameless lane/street perpendicular to the part that forms the entrance off East 13th just off Sophia.