DE217318C - - Google Patents

Info

Publication number
DE217318C
DE217318C DENDAT217318D DE217318DA DE217318C DE 217318 C DE217318 C DE 217318C DE NDAT217318 D DENDAT217318 D DE NDAT217318D DE 217318D A DE217318D A DE 217318DA DE 217318 C DE217318 C DE 217318C
Authority
DE
Germany
Prior art keywords
rod
hand
sight
working position
possibly
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.)
Active
Application number
DENDAT217318D
Other languages
German (de)
English (en)
Publication of DE217318C publication Critical patent/DE217318C/de
Active legal-status Critical Current

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
    • G09B11/00—Teaching hand-writing, shorthand, drawing, or painting
    • G09B11/02—Finger, hand or arm supporting devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Business, Economics & Management (AREA)
  • Physics & Mathematics (AREA)
  • Educational Administration (AREA)
  • Educational Technology (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Length-Measuring Instruments Using Mechanical Means (AREA)
DENDAT217318D Active DE217318C (cg-RX-API-DMAC10.html)

Publications (1)

Publication Number Publication Date
DE217318C true DE217318C (cg-RX-API-DMAC10.html)

Family

ID=478632

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT217318D Active DE217318C (cg-RX-API-DMAC10.html)

Country Status (1)

Country Link
DE (1) DE217318C (cg-RX-API-DMAC10.html)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2740599A (en) * 1951-10-09 1956-04-03 Jr William C Roberts-Horsfield Stabilized aircraft seat
US2880511A (en) * 1955-01-12 1959-04-07 Steinwachs Friedrich Apparatus for determining adaptability of writing implements to persons using the same
US5190388A (en) * 1990-11-05 1993-03-02 Lee Suk H Writing instrument with water level indicator

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2740599A (en) * 1951-10-09 1956-04-03 Jr William C Roberts-Horsfield Stabilized aircraft seat
US2880511A (en) * 1955-01-12 1959-04-07 Steinwachs Friedrich Apparatus for determining adaptability of writing implements to persons using the same
US5190388A (en) * 1990-11-05 1993-03-02 Lee Suk H Writing instrument with water level indicator

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