The image above comes from the 1894 Vermont Ancient and Accepted Scottish Rite book. It appears to be a fairly common image for the 19th degree of the AASR.
Here we have the snake with more context and an explanation:

3. The ruined City of Jerusalem to which the three-headed serpent of evil is chained.
Also see table.
Top: The Book Of The Ancient And Accepted Scottish Rite (1884) Charles McClenachan
Bottom: A. & A. R. The intermediate Degrees 19º – 29º A.C.F. Jackson (1982)