FR1327014A - hourglass - Google Patents

hourglass

Info

Publication number
FR1327014A
FR1327014A FR851088A FR851088A FR1327014A FR 1327014 A FR1327014 A FR 1327014A FR 851088 A FR851088 A FR 851088A FR 851088 A FR851088 A FR 851088A FR 1327014 A FR1327014 A FR 1327014A
Authority
FR
France
Prior art keywords
hourglass
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
FR851088A
Other languages
French (fr)
Inventor
Willy Dietermann
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to FR851088A priority Critical patent/FR1327014A/en
Priority to GB349662A priority patent/GB936435A/en
Application granted granted Critical
Publication of FR1327014A publication Critical patent/FR1327014A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F1/00—Apparatus which can be set and started to measure-off predetermined or adjustably-fixed time intervals without driving mechanisms, e.g. egg timers
    • G04F1/04—Apparatus which can be set and started to measure-off predetermined or adjustably-fixed time intervals without driving mechanisms, e.g. egg timers by movement or acceleration due to gravity
    • G04F1/06—Apparatus which can be set and started to measure-off predetermined or adjustably-fixed time intervals without driving mechanisms, e.g. egg timers by movement or acceleration due to gravity by flowing-away of a prefixed quantity of fine-granular or liquid materials, e.g. sand-glass, water-clock
FR851088A 1961-01-30 1961-01-30 hourglass Expired FR1327014A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR851088A FR1327014A (en) 1961-01-30 1961-01-30 hourglass
GB349662A GB936435A (en) 1961-01-30 1962-01-30 Timing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR851088A FR1327014A (en) 1961-01-30 1961-01-30 hourglass

Publications (1)

Publication Number Publication Date
FR1327014A true FR1327014A (en) 1963-05-17

Family

ID=8747699

Family Applications (1)

Application Number Title Priority Date Filing Date
FR851088A Expired FR1327014A (en) 1961-01-30 1961-01-30 hourglass

Country Status (2)

Country Link
FR (1) FR1327014A (en)
GB (1) GB936435A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112216234B (en) * 2019-08-19 2022-09-13 深圳市毅景科技有限公司 Projection type playing equipment

Also Published As

Publication number Publication date
GB936435A (en) 1963-09-11

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