SE315155B - - Google Patents

Info

Publication number
SE315155B
SE315155B SE9360/68A SE936068A SE315155B SE 315155 B SE315155 B SE 315155B SE 9360/68 A SE9360/68 A SE 9360/68A SE 936068 A SE936068 A SE 936068A SE 315155 B SE315155 B SE 315155B
Authority
SE
Sweden
Application number
SE9360/68A
Inventor
A Oefwerstroem
Original Assignee
A Oefwerstroem
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 A Oefwerstroem filed Critical A Oefwerstroem
Priority to SE9360/68A priority Critical patent/SE315155B/xx
Priority to US838217A priority patent/US3663731A/en
Priority to DE19691933533 priority patent/DE1933533A1/de
Publication of SE315155B publication Critical patent/SE315155B/xx

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
    • G09B23/06—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics
    • G09B23/18—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism
    • G09B23/181—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism for electric and magnetic fields; for voltages; for currents

Landscapes

  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Business, Economics & Management (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Algebra (AREA)
  • Pure & Applied Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Computational Mathematics (AREA)
  • Educational Administration (AREA)
  • Educational Technology (AREA)
  • Theoretical Computer Science (AREA)
  • Instructional Devices (AREA)
  • Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
SE9360/68A 1968-07-08 1968-07-08 SE315155B (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
SE9360/68A SE315155B (de) 1968-07-08 1968-07-08
US838217A US3663731A (en) 1968-07-08 1969-07-01 Apparatus for making visible magnetic fields by means of iron filings
DE19691933533 DE1933533A1 (de) 1968-07-08 1969-07-02 Vorrichtung zum Sichtbarmachen von magnetischen Feldern

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9360/68A SE315155B (de) 1968-07-08 1968-07-08

Publications (1)

Publication Number Publication Date
SE315155B true SE315155B (de) 1969-09-22

Family

ID=20276478

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9360/68A SE315155B (de) 1968-07-08 1968-07-08

Country Status (3)

Country Link
US (1) US3663731A (de)
DE (1) DE1933533A1 (de)
SE (1) SE315155B (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3006626A1 (de) * 1980-02-22 1981-08-27 Hoechst Ag, 6000 Frankfurt Pruefverfahren zur ermittlung der magnetischen eigenschaften ferromagnetischer pulver
US4971562A (en) * 1990-05-25 1990-11-20 Gleason Warren J Didactic device to aid in understanding and teaching about electromagnetic fields and their effects
US5788506A (en) * 1996-10-24 1998-08-04 The New Curiosity Shop Apparatus and method for displaying the flow of a solution in response to the movement of magnetic particles
JPH11241681A (ja) 1997-12-26 1999-09-07 Toyota Autom Loom Works Ltd 圧縮機におけるシール機構の保護装置
JP2011085874A (ja) * 2009-10-14 2011-04-28 Haruo Matsushima 教材

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1549197A (en) * 1924-09-09 1925-08-11 Frank G Hanback Magnetic toy
US2530013A (en) * 1946-02-19 1950-11-14 Frank G Hanback Magnetic toy
US3426453A (en) * 1967-05-22 1969-02-11 Ibm Magnetic display device

Also Published As

Publication number Publication date
DE1933533A1 (de) 1970-01-29
US3663731A (en) 1972-05-16

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