Dąbrowski has an unidentified “American Masonic Symbols”, see below. There are quite a few symbols on it that are unfamiliar to me, such as this one. I don’t even know what it is supposed to be. There are other circles on the chart with what appear to be officers emblems in the middle.
A clock is perhaps maybe not an emblem of an officer. On the tracing board below (of Phoenix lodge Sunderland found in Rees) the clock seems to have replaced the 24 inch gauge depicting the division of the hours of the day.
Also in Feddersen (E/84) we find a clock. Here we see three pillars obviously connected to known Masonic symbols/function. Is the clock connected to the Master?
Feddersen says this tracing board is from 1741, first degree and from a “Batty Langley”.
Also see sundial.
Top/second: Dąbrowski P. 186. Year and designer unknown. Feddersen (E/114, p. 264) calls it a silk cloth from 1850.
Third: Tracing Boards of the three Craft Degrees of Freemasonry Explained (2015) by Julian Rees P. 61. Rees has as description: “Tracing boards of the Phoenix Lodge, No. 94 (Photo: Sinclair Bruce). Year and designer unknown.
Fourth: Feddersen (Die Arbeitstafel in der Freimaurerei Band I (1982) E/84, P. 234) gives as source Ars Quatuor Coronatorum 1916, the original design is from 1741 (Batty Langley).