regret no help from the CLASS III (Glass) Representations Book BT 43/61.
As I thought, it does appear that Edwardes submitted several identical copies of the same drawing to the Board of Trade, and asked them to Register this one design under the several CLASSES we've discussed.
Just for completeness am attaching a picture taken today from the CLASS III book, but as can be seen it is identical to the others, and adds nothing new.