SUN-DIAL CALENDAR-GNOMON Russian patent published in 1998 - IPC

Abstract RU 2101775 C1

FIELD: instruments. SUBSTANCE: device has vertical rod which is mounted on horizontal surface and has special screen which is represented by second vertical rod which is located on noon line from vertical rod in parallel to it. Said screen contains calendar dial which is calibrated in course of one year after installment. EFFECT: increased functional capabilities. 3 dwg

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RU 2 101 775 C1

Authors

Rafailova Marija Adjumovna

Rafailov Adjum Mikhajlovich

Dates

1998-01-10—Published

1996-02-21—Filed