GB189420887A - Improvements in Black-boards and the like for Teaching. - Google Patents

Improvements in Black-boards and the like for Teaching.

Info

Publication number
GB189420887A
GB189420887A GB189420887DA GB189420887A GB 189420887 A GB189420887 A GB 189420887A GB 189420887D A GB189420887D A GB 189420887DA GB 189420887 A GB189420887 A GB 189420887A
Authority
GB
United Kingdom
Prior art keywords
teaching
boards
black
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
Inventor
Edmund Edwards
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of GB189420887A publication Critical patent/GB189420887A/en
Expired legal-status Critical Current

Links

GB189420887D 1894-10-31 1894-10-31 Improvements in Black-boards and the like for Teaching. Expired GB189420887A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB189420887T 1894-10-31

Publications (1)

Publication Number Publication Date
GB189420887A true GB189420887A (en) 1895-10-31

Family

ID=32126447

Family Applications (1)

Application Number Title Priority Date Filing Date
GB189420887D Expired GB189420887A (en) 1894-10-31 1894-10-31 Improvements in Black-boards and the like for Teaching.

Country Status (1)

Country Link
GB (1) GB189420887A (en)

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