Antique Upright Bass Tuning Machines from Tyrolean mid 1800s - see measurements

Description

Please make a generous offer if you can use them. It was a good friend but the sides and back
disintegrated from a previous radical environment.
Original on a 7/8ths Tyrolean from mid 1800s.
All parts high brass
Tapered spindles::
E and G   60 millimeters height ; 13 millimeters at the plate x 12 millimeters at the end.
A and D  52 millimeters in height x 13 millimeters at the plat x  11.5  millimeters at the end.
Space between posts at center:36 millimeters.
Ratio: 22  full turns : 1o one revolution
Wear: good
acceptable: less than  .012 total avg. Very good. Less with tension: excellent.
Bass. mid 19th century Tyrolean.
Size 7/8ths
Original screws included.
Other parts available.
YES TOP: see upcoming auctions