Blackboard memorandum: Henry Alger's 'Patent Scholastic Blackboard'
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Reference code
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FOL.UFSC/7/6/1/2
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Level of description
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Item
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Title
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Blackboard memorandum: Henry Alger's 'Patent Scholastic Blackboard'
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Scope and content
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A memo from Henry Alger detailing his 'Patent Scholastic Blackboard.' It describes the blackboard and features, with three pages of illustration showcasing the design.