ANTIQUE 10 BRASS ALIDADE AND MOUNT FIXED SIGHTS c1900 BOXED. This 10 Plain Alidade (Fixed Sights) is made from solid brass and is in very good original condition, c1900.It is complete with the adjustable ball and socket mount. The bubble spirit level, and sighting wires are intact. Presented in a fitted, restored, woodenbox. The item "ANTIQUE 10 BRASS ALIDADE ADJUSTABLE MOUNT FIXED SIGHTS c1900 FITTED BOX" is in sale since Sunday, May 5, 2019. This item is in the category "Antiques\Science/Medicine\Scientific Instruments". The seller is "barnowl582" and is located in Orpington. This item can be shipped worldwide.