. Supplementary catalogue of general school supplies, school furniture, industrial & manual art supplies and other school specialties, may 1st., 1922 . COLORED SCHOOL PENCILS IN BOXES. No. 797. For map drawing and color work, six assorted colored pencils, 4% incheslong in neat box. Price, per $ Doz $ 26 m. HOOVER BROTHERS. BLACKBOARD Hyloplate Blackboard is produced from wood pulp, paper and cement by thesame process as the indestructible car wheel. It is made in slabs of even thick-ness, 3, 3y2 and 4 feet wide, and in lengths up to 12 feet. The slating is then ap-plied and the


. Supplementary catalogue of general school supplies, school furniture, industrial & manual art supplies and other school specialties, may 1st., 1922 . COLORED SCHOOL PENCILS IN BOXES. No. 797. For map drawing and color work, six assorted colored pencils, 4% incheslong in neat box. Price, per $ Doz $ 26 m. HOOVER BROTHERS. BLACKBOARD Hyloplate Blackboard is produced from wood pulp, paper and cement by thesame process as the indestructible car wheel. It is made in slabs of even thick-ness, 3, 3y2 and 4 feet wide, and in lengths up to 12 feet. The slating is then ap-plied and the matchless writing surface—that has made Hyloplate Blackboardfamous—is brought out by a special method of treatment. The back is alsocoated with a solution, which makes Hyloplate water-proof and prevents warping. It is light, weighing about one pound to the square foot, consequently, freightis only a small item. It can be put up by anyone, anywhere. It takes chalkreadily, erases cleanly and quickly. A ten-year guarantee on all Hyloplate, bearing the trade mark HYLO-PLATE, stamped on every piece. Hyloplate comes in sheets 3, Zy2 and 4 feet wid


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Keywords: ., bookcentury1900, bookdecade1920, bookidhooverbrothe, bookyear1922