SEA-SURE

Nautical and measuring apparatus and instruments, namely, a data processing device; nautical navigational aids for determining geographical positions, namely, a manual algorithmic data processing device; marine navigational apparatus, namely a manual algorithmic data processing device for the computation of a position line on a nautical chart from a timed observation of a celestial body, and an instrument including the manual algorithmic data processing device that reduces the navigator's sextant and clock observation to a line of position; printed instructional manuals for all the aforesaid goods

Printed charts, namely printed navigational charts for determining geographical positions and printed navigational charts for use in sailing craft; printed nautical navigational aids comprising a printed instruction manual and a printed chart for reducing the navigator's sextant and clock observations to a line of position; printed instructional manuals for all the aforesaid goods