JPS51144247A - Lens learning appliance performing the work of concave and convex lens es - Google Patents

Lens learning appliance performing the work of concave and convex lens es

Info

Publication number
JPS51144247A
JPS51144247A JP6822575A JP6822575A JPS51144247A JP S51144247 A JPS51144247 A JP S51144247A JP 6822575 A JP6822575 A JP 6822575A JP 6822575 A JP6822575 A JP 6822575A JP S51144247 A JPS51144247 A JP S51144247A
Authority
JP
Japan
Prior art keywords
lens
concave
work
learning appliance
appliance performing
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.)
Pending
Application number
JP6822575A
Other languages
English (en)
Inventor
Hiroshi Mano
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 by Individual filed Critical Individual
Priority to JP6822575A priority Critical patent/JPS51144247A/ja
Publication of JPS51144247A publication Critical patent/JPS51144247A/ja
Pending legal-status Critical Current

Links

Landscapes

  • Instructional Devices (AREA)
JP6822575A 1975-06-05 1975-06-05 Lens learning appliance performing the work of concave and convex lens es Pending JPS51144247A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6822575A JPS51144247A (en) 1975-06-05 1975-06-05 Lens learning appliance performing the work of concave and convex lens es

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6822575A JPS51144247A (en) 1975-06-05 1975-06-05 Lens learning appliance performing the work of concave and convex lens es

Publications (1)

Publication Number Publication Date
JPS51144247A true JPS51144247A (en) 1976-12-11

Family

ID=13367642

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6822575A Pending JPS51144247A (en) 1975-06-05 1975-06-05 Lens learning appliance performing the work of concave and convex lens es

Country Status (1)

Country Link
JP (1) JPS51144247A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5465083A (en) * 1977-11-02 1979-05-25 Norihiko Koga Light transmission method for teaching state of refraction of light

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5465083A (en) * 1977-11-02 1979-05-25 Norihiko Koga Light transmission method for teaching state of refraction of light

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