Description
Sights are alternating slit and thread. With ball-and-socket joint.
Related Items
More related items
Equinoctial Dial, by Baradelle, Paris, 18th CenturyInventory Number 34733- Graphometer, by Meurand, Paris, 18th CenturyInventory Number 35242
Equinoctial Dial, by Baradelle, Paris, Early 19th CenturyInventory Number 33431
Quadrant for Levelling?, by Jacques Baradelle, Paris, 18th CenturyInventory Number 39981