W S Darley and Co vintage compass you have a compass WSDarley in case with large ring or stand around it case says wsdarley Melrose Park would appreciate any info?

W.S. Darley & Co. was a well-known manufacturer of compasses and navigational instruments, often associated with military and maritime use. The compass you have likely dates back to the mid-20th century, as the company operated prominently during that time. The "Melrose Park" inscription indicates the location of their manufacturing facilities in Illinois. Collectors value these compasses for their craftsmanship and historical significance, so it may be worth researching further or consulting with a vintage instrument expert for a more precise valuation.