GB825169A - Improvements in black boards - Google Patents

Improvements in black boards

Info

Publication number
GB825169A
GB825169A GB1010557A GB1010557A GB825169A GB 825169 A GB825169 A GB 825169A GB 1010557 A GB1010557 A GB 1010557A GB 1010557 A GB1010557 A GB 1010557A GB 825169 A GB825169 A GB 825169A
Authority
GB
United Kingdom
Prior art keywords
blackboards
march
wall
channel members
black 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
GB1010557A
Inventor
John Ferguson Dickson
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.)
A P UNSWORTH Ltd
Original Assignee
A P UNSWORTH 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 A P UNSWORTH Ltd filed Critical A P UNSWORTH Ltd
Priority to GB1010557A priority Critical patent/GB825169A/en
Publication of GB825169A publication Critical patent/GB825169A/en
Expired legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47BTABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B97/00Furniture or accessories for furniture, not provided for in other groups of this subclass
    • A47B97/001Wall mounting or suspension arrangements for blackboards or the like

Landscapes

  • Drawing Aids And Blackboards (AREA)

Abstract

825,169. Blackboards. UNSWORTH Ltd., A. P. March 27, 1958 [March 28, 1957], No. 10105/57. Class 146(2) A wall blackboard comprises horizontal channel members A-A<SP>3</SP> secured to vertical channels B screwed to the wall, the lower channel members A A<SP>2</SP> carrying runways for runners mounted on the lower edge of the blackboards C. There may be two blackboards in one channel and one in the other. A chalk cill is provided.
GB1010557A 1957-03-28 1957-03-28 Improvements in black boards Expired GB825169A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1010557A GB825169A (en) 1957-03-28 1957-03-28 Improvements in black boards

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1010557A GB825169A (en) 1957-03-28 1957-03-28 Improvements in black boards

Publications (1)

Publication Number Publication Date
GB825169A true GB825169A (en) 1959-12-09

Family

ID=9961586

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1010557A Expired GB825169A (en) 1957-03-28 1957-03-28 Improvements in black boards

Country Status (1)

Country Link
GB (1) GB825169A (en)

Similar Documents

Publication Publication Date Title
IT1096007B (en) DEVICE TO SUPERVISE THE INK STOCK IN WRITING EQUIPMENT WITH INK
GB846167A (en)
CH343260A (en) Fountain pen with exchangeable writing and drawing nozzles
GB825169A (en) Improvements in black boards
GB755740A (en) Improvements in or connected with blackboards and easels
FR1128737A (en) Improvements to panels fitted with translucent elements
GB625508A (en) Improvements in school or like desks
AU202932B2 (en) Improvements in or-relating to desk pen sets
AU221194B2 (en) Improvements in ant) reilating to blackboards and the like
CA602358A (en) Desk with apron
Heckler A Survey of the Audio-Visual Aids Departments of Four-Year High Schools of the State of Ohio with Student Population of 300 to 750
FR1220580A (en) Improvements to resinous and elastomeric compositions
CA552601A (en) Stabilization of screen grid voltage in a class b push-pull amplifier
CA605281A (en) Combined typewriter and multi-purpose desk
CA501984A (en) School desk
GB1258631A (en)
FR1160722A (en) Further training in desk clerks
AU207515B2 (en) Improvements in fountain pens
AU205422B2 (en) Improved writing instrument and ink therefor
AU2603057A (en) Improvements in and relating to typewriter attachments
AU259177B2 (en) Improvements in or relating to air-liquid separator
CA541726A (en) Fountain pen
BE573331A (en) Improvements in electrolysis operations and equipment
AU224804B2 (en) Improvements in or relating to carbon paper
AU238623B2 (en) Stencilling pens andthe like