GB312564A - Improvements in drawing appliances - Google Patents

Improvements in drawing appliances

Info

Publication number
GB312564A
GB312564A GB2990528A GB2990528A GB312564A GB 312564 A GB312564 A GB 312564A GB 2990528 A GB2990528 A GB 2990528A GB 2990528 A GB2990528 A GB 2990528A GB 312564 A GB312564 A GB 312564A
Authority
GB
United Kingdom
Prior art keywords
liebetruth
copy
sheets
metal base
sheet
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
GB2990528A
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.)
Liebetruth & Co A GmbH
Original Assignee
Liebetruth & Co A GmbH
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 Liebetruth & Co A GmbH filed Critical Liebetruth & Co A GmbH
Priority to GB2990528A priority Critical patent/GB312564A/en
Publication of GB312564A publication Critical patent/GB312564A/en
Expired 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
    • G09B11/04—Guide sheets or plates; Tracing charts

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)
  • Adornments (AREA)

Abstract

312,564. Liebetruth & Co. Ges., A., and Liebetruth, H. Oct. 16, 1928. Stencils.-In drawing-slates or tracing-appliances of the kind wherein copy-sheets and a superposed sheet of ground-glass are mounted upon a sheet-metal base, the portion of the metal base normally covered by the copy-sheets and glass plate may be perforated or cut out in the form of pictures, geometrical designs, &c., Fig. 6, the outline of which may be traced upon a paper placed beneath them. Specifications 300,450 and 300,854, [both in Class 146 (ii), Stationery &c.], are referred to.
GB2990528A 1928-10-16 1928-10-16 Improvements in drawing appliances Expired GB312564A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2990528A GB312564A (en) 1928-10-16 1928-10-16 Improvements in drawing appliances

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2990528A GB312564A (en) 1928-10-16 1928-10-16 Improvements in drawing appliances

Publications (1)

Publication Number Publication Date
GB312564A true GB312564A (en) 1929-05-30

Family

ID=10299101

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2990528A Expired GB312564A (en) 1928-10-16 1928-10-16 Improvements in drawing appliances

Country Status (1)

Country Link
GB (1) GB312564A (en)

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