is ma-chine is amply adequate for all required experi-ments. The price at which this wheel is offeredbrings it within the reach of every school districtor teacher and does away with the objection sooften heard that such pieces of apparatus are toocostly for common use. The teacher who hasnever…
Kindergarten -- Equipment and supplies · Schools -- Equipment and supplies · Color · Trade catalogs -- Schools -- Equipment and supplies
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