Fred - Unlike most of their contemporaries, Henry Greener provided the Board of Trade with actual photographs rather than drawings - the Gladstone and Peabody Registrations were also sepia type photos.
As you can see from the attached National Archive pix, Greener's design, submitted to the Board of Trade in August 1869, lacked the wires and drops. Although now not possible to say, it may have been the case that this item was sold without them, and it was left to the customer to fit their own - although that seems a little odd, but this may have been an issue of practicalities - i.e. difficult to pack, transport etc. with the drops in place. I could be very wrong with that suggestion - just a thought on my part.
Also worth considering is the possibility that Henry Greener did not, themselves, make drops.
In view of the age of this item, then a stick still retaining its original drops may well be an impossible thing to source - drops seem often to go missing, or become replaced with non-original parts.