GB751427A - Improvements in or relating to boards for educational purposes - Google Patents

Improvements in or relating to boards for educational purposes

Info

Publication number
GB751427A
GB751427A GB1691954A GB1691954A GB751427A GB 751427 A GB751427 A GB 751427A GB 1691954 A GB1691954 A GB 1691954A GB 1691954 A GB1691954 A GB 1691954A GB 751427 A GB751427 A GB 751427A
Authority
GB
United Kingdom
Prior art keywords
black
series
frame
maps
boards
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
GB1691954A
Inventor
John Garden
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.)
WILSON AND GARDEN Ltd
Original Assignee
WILSON AND GARDEN Ltd
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 WILSON AND GARDEN Ltd filed Critical WILSON AND GARDEN Ltd
Priority to GB1691954A priority Critical patent/GB751427A/en
Publication of GB751427A publication Critical patent/GB751427A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L1/00—Repeatedly-usable boards or tablets for writing or drawing
    • B43L1/04—Blackboards
    • B43L1/08—Blackboards flexible

Abstract

751,427. Blackboards, maps &c. WILSON & GARDEN, Ltd. June 9, 1954, No. 16919/54. Class 146(2) In a blackboard of the type comprising an endless band constituted by flexible sheets of black - board - surface or like material detachably connected in series and entrained over top and bottom rollers 3, 3<SP>1</SP> carried by a frame 4, the bottom roller 3<SP>1</SP> is slidably adjustable in vertical slots 7 to take up slackness in the band and is held in adiusted position by pins insertible through a selected one of a series of horizontal vertically spaced holes formed in each of the side uprights of the frame. In lieu of black-board surface material the endless band may carry maps, diagrams or the like.
GB1691954A 1954-06-09 1954-06-09 Improvements in or relating to boards for educational purposes Expired GB751427A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1691954A GB751427A (en) 1954-06-09 1954-06-09 Improvements in or relating to boards for educational purposes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1691954A GB751427A (en) 1954-06-09 1954-06-09 Improvements in or relating to boards for educational purposes

Publications (1)

Publication Number Publication Date
GB751427A true GB751427A (en) 1956-06-27

Family

ID=10086042

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1691954A Expired GB751427A (en) 1954-06-09 1954-06-09 Improvements in or relating to boards for educational purposes

Country Status (1)

Country Link
GB (1) GB751427A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010083669A1 (en) * 2009-01-23 2010-07-29 Guan Quanchun Rolling writing board of module-assembled type

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010083669A1 (en) * 2009-01-23 2010-07-29 Guan Quanchun Rolling writing board of module-assembled type

Similar Documents

Publication Publication Date Title
CH349243A (en) Fiber material in sheet form
GB751427A (en) Improvements in or relating to boards for educational purposes
CH394788A (en) Process for making a multilayer felt for use in the manufacture of paper and analogous products, and felt made by this process
GB752160A (en) Improvements in bags made from flexible sheet material
GB699850A (en) Improvements in easels
GB720133A (en) Improvements in or relating to adjustable bracket supports for display and other purposes
GB755740A (en) Improvements in or connected with blackboards and easels
GB412916A (en) Improvements in black-boards and the like
GB787009A (en) Improvements in card-clothing
GB936312A (en) The roller blackboard
GB296182A (en) Improvements in wall paper pasting and hanging apparatus
GB190002946A (en) Improvements in Blackboards for Schools and the like.
GB760422A (en) A new or improved mounting for blackboards and the like
GB704220A (en) A new or improved method of making furniture or the like
FR1115005A (en) Improvements in driving and lifting of piles, sheet piles and the like
GB758723A (en) Improvements relating to apparatus for the teaching of mathematics
FR1097256A (en) Differential spur gear trains with large reduction ratios in a small footprint
GB568083A (en) Improvements in and relating to landscape and seascape models and the like
FR2312079A1 (en) Portable teaching display for letters and numbers - has four adjacent windows for viewing latter
GB672545A (en) Improvements in and relating to wash boards
GB467212A (en) An improved portable wardrobe, cupboard or the like
GB838415A (en) Improvements in or relating to draughting machines
FR1106747A (en) Device for adjusting the interval between aligned holes in stacks of paper for drill-notches
GB382714A (en) Improvements in apparatus for playing table games, and the like
Reinhold Using celotex for graphing