Marine micrometer sextant by C. Plath, Hamburg, Germany, bearing serial number 58713, offered with its wooden carrying case. A precision instrument designed for celestial navigation, using angular measurements between the horizon and celestial bodies to help determine a vessel’s position at sea. The instrument features a black-finished openwork metal frame, graduated arc, micrometer drum, telescope, adjustable mirrors and pivoting coloured sun filters. The arc bears the “C. PLATH HAMBURG” signature and the manufacturer’s distinctive figure-with-sextant trademark. Details Maker: C. Plath, Hamburg Country of manufacture: Germany Estimated period: circa 1974–1975 Serial number: 58713 Supplied with wooden carrying case, brush and accessories shown in the photographs. The sextant is fully functional and the micrometer drum is working properly. I do not have a verification certificate. The document located in the case are the operating instructions of the instrument.