JPH0339803Y2 - - Google Patents

Info

Publication number
JPH0339803Y2
JPH0339803Y2 JP5214785U JP5214785U JPH0339803Y2 JP H0339803 Y2 JPH0339803 Y2 JP H0339803Y2 JP 5214785 U JP5214785 U JP 5214785U JP 5214785 U JP5214785 U JP 5214785U JP H0339803 Y2 JPH0339803 Y2 JP H0339803Y2
Authority
JP
Japan
Prior art keywords
cylindrical body
plate
cap
prism
cylinder
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
JP5214785U
Other languages
English (en)
Japanese (ja)
Other versions
JPS61171075U (enrdf_load_stackoverflow
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 JP5214785U priority Critical patent/JPH0339803Y2/ja
Publication of JPS61171075U publication Critical patent/JPS61171075U/ja
Application granted granted Critical
Publication of JPH0339803Y2 publication Critical patent/JPH0339803Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Instructional Devices (AREA)
JP5214785U 1985-04-10 1985-04-10 Expired JPH0339803Y2 (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5214785U JPH0339803Y2 (enrdf_load_stackoverflow) 1985-04-10 1985-04-10

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5214785U JPH0339803Y2 (enrdf_load_stackoverflow) 1985-04-10 1985-04-10

Publications (2)

Publication Number Publication Date
JPS61171075U JPS61171075U (enrdf_load_stackoverflow) 1986-10-23
JPH0339803Y2 true JPH0339803Y2 (enrdf_load_stackoverflow) 1991-08-21

Family

ID=30571837

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5214785U Expired JPH0339803Y2 (enrdf_load_stackoverflow) 1985-04-10 1985-04-10

Country Status (1)

Country Link
JP (1) JPH0339803Y2 (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS61171075U (enrdf_load_stackoverflow) 1986-10-23

Similar Documents

Publication Publication Date Title
US11506491B2 (en) Vial with improved visibility for level
US4812029A (en) Microscope system
US1521339A (en) Optical apparatus for instructional purposes
JPH0339803Y2 (enrdf_load_stackoverflow)
CN201829111U (zh) 雾液式光学实验仪
US3962802A (en) Educational device
US7073913B1 (en) Portable easel for assisting in tracing and drawing of figures
CA1082502A (en) Hand-held microscope
CN215577266U (zh) 显微镜与望远镜组合教具
KR20210000155U (ko) 영사렌즈장치 및 이를 이용한 영사기완구
CN2241903Y (zh) 光学教学演示仪
US20120285029A1 (en) Tool for drawing
CN2293873Y (zh) 中学物理几何光学实验装置
US1041435A (en) Drawing-tablet.
US5487222A (en) Combination level
JPH10161525A (ja) 光の入射,反射角学習具及び動画生成学習具
US6408136B1 (en) Zoom camera obscura
Camerota Looking for an artificial eye: On the borderline between painting and topography
US861153A (en) Glass for counting picks or threads in fabrics.
US801935A (en) Lens.
TW202407659A (zh) 交換式光學原理演示套件
JP2599134Y2 (ja) 簡易カメラによる顕微鏡写真撮影用カメラ固定装置
KR20120003704A (ko) 학습용 교구
CN2150599Y (zh) 初中光学、热学组合学具
JPH0734408Y2 (ja) 学習用のズーム観察鏡