Museum number

1871,1115.15

Description

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  • Diptych-dial; ivory; engraving filled in with red; stamped designs; windrose; vertical dial for string gnomon, date and signature, decorative sun-face with lead plumb-bob; horizontal dial for string gnomon, compass in centre(later replacement): crown trade-mark; drilled-out cavity in side with pivoted brass cover.

    3/4: Right

  • Diptych-dial; ivory; engraving filled in with red; stamped designs; windrose; vertical dial for string gnomon, date and signature, decorative sun-face with lead plumb-bob; horizontal dial for string gnomon, compass in centre(later replacement): crown trade-mark; drilled-out cavity in side with pivoted brass cover.

    3/4: Right

  • Diptych-dial; ivory; engraving filled in with red; stamped designs; windrose; vertical dial for string gnomon, date and signature, decorative sun-face with lead plumb-bob; horizontal dial for string gnomon, compass in centre(later replacement): crown trade-mark; drilled-out cavity in side with pivoted brass cover.

    Full: Front

  • Diptych-dial; ivory; engraving filled in with red; stamped designs; windrose; vertical dial for string gnomon, date and signature, decorative sun-face with lead plumb-bob; horizontal dial for string gnomon, compass in centre(later replacement): crown trade-mark; drilled-out cavity in side with pivoted brass cover.

    Full: Front

  • Diptych-dial; ivory; engraving filled in with red; stamped designs; windrose; vertical dial for string gnomon, date and signature, decorative sun-face with lead plumb-bob; horizontal dial for string gnomon, compass in centre(later replacement): crown trade-mark; drilled-out cavity in side with pivoted brass cover.

    Full: Back