Boxed Cross Staff Heads English Cylindrical Surveyors Cross Compass C1880 maybe earlier. The Compass on the top is working well with good original glass and dial face.There is a transit lock button on the side which is working. There is a handle for holding the instrument and when turning the rotating knob the compass turns smoothly and allows any angle to be measured on the Precision Chapter Ring. There are two sets of sighting slots at 90 degrees above the Chapter Ring and one set below the Ring. The original mahogany box is in good condition. Auctiva offers Free Image Hosting and Editing.
The item "BOXED CROSS HEADS ENGLISH CYLINDRICAL SURVEYORS CROSS COMPASS C1880" is in sale since Tuesday, March 6, 2018. This item is in the category "Antiques\Science/Medicine\Scientific Instruments". The seller is "cobcottage" and is located in Newton Abbot. This item can be shipped worldwide.