GOOD BORDA TYPE REFLECTING CIRCLE SIGNED: H MORIN. 11 RUE DULONG, PARIS. 10" INCH CIRCLE, SILVER SCALE & VERNIER, SCALES 0 TO 180 DEGREES & 0 TO 160 DEGREES SCALES DIVIDED IN 30' MINUTE DIVISIONS,WITH ACCESSORIES INCLUDING SIGHTING TUBE, WIDE ANGLE ERECTING SCOPE ( MAY HAVE BEEN ANOTHER! ) 2 FILTER CAPS, 6 INTERCHANGEABLE COLOURED FILTERS FOR EACH SIDE OF THE HORIZON MIRROR, MIRROR SQUARES, ADJUSTMENT KEY & PIN AND SCREWDRIVER. IN ORIGINAL MAHOGANY BOX 12.1/4" x 12.1/4" x 4.3/4" INCHES & 2 SPARE MIRRORS