NL7613055A - DIDACTIC DIAL-ORGAN. - Google Patents

DIDACTIC DIAL-ORGAN.

Info

Publication number
NL7613055A
NL7613055A NL7613055A NL7613055A NL7613055A NL 7613055 A NL7613055 A NL 7613055A NL 7613055 A NL7613055 A NL 7613055A NL 7613055 A NL7613055 A NL 7613055A NL 7613055 A NL7613055 A NL 7613055A
Authority
NL
Netherlands
Prior art keywords
didactic
dial
organ
didactic dial
Prior art date
Application number
NL7613055A
Other languages
Dutch (nl)
Original Assignee
Philograph Publications
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 Philograph Publications filed Critical Philograph Publications
Publication of NL7613055A publication Critical patent/NL7613055A/en

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
    • G09B19/00—Teaching not covered by other main groups of this subclass
    • G09B19/12—Clock-reading

Landscapes

  • Business, Economics & Management (AREA)
  • Engineering & Computer Science (AREA)
  • Entrepreneurship & Innovation (AREA)
  • Physics & Mathematics (AREA)
  • Educational Administration (AREA)
  • Educational Technology (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Toys (AREA)
  • Electromechanical Clocks (AREA)
  • Stringed Musical Instruments (AREA)
NL7613055A 1975-11-28 1976-11-23 DIDACTIC DIAL-ORGAN. NL7613055A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4912675A GB1505158A (en) 1975-11-28 1975-11-28 Didactic clock face device

Publications (1)

Publication Number Publication Date
NL7613055A true NL7613055A (en) 1977-06-01

Family

ID=10451242

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7613055A NL7613055A (en) 1975-11-28 1976-11-23 DIDACTIC DIAL-ORGAN.

Country Status (5)

Country Link
JP (1) JPS5266029A (en)
DE (1) DE2639322A1 (en)
FR (1) FR2333309A1 (en)
GB (1) GB1505158A (en)
NL (1) NL7613055A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9125906D0 (en) * 1991-12-05 1992-02-05 Pope Darren M Clocks

Also Published As

Publication number Publication date
GB1505158A (en) 1978-03-30
DE2639322A1 (en) 1977-06-02
FR2333309A1 (en) 1977-06-24
JPS5266029A (en) 1977-06-01

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Legal Events

Date Code Title Description
BV The patent application has lapsed