chalk on the edge of a section 'Hammers,' and then group all the hammers you find by themselves."
"I understand," nodded Nelson.
"Label all the squares plainly. Mass everything of its class in distinct heaps. That is the first start in your work."
Frank had some of his regular village chores to do. He was gone over an hour attending to various duties.
As he came back to the store again, Frank was spurred up by the busy hum of industry. Half-a-dozen urchins peering enviously in at the open front door made way for him. He gave them a kind word and stepped Inside to take a sweeping view of his juvenile working force.
A great rattlety-bang was going on as the boys pulled over the heap of debris. Hands and faces were grimed. There were some blistered fingers, but the boys were working like bees in a hive.
The chalked-off sections had begun to grow In number. One was labelled "Needles." Frank stared in some wonder. There were papers of needles whole, and others wth half their original paper coverings burned away, of loose needles, some rusted and blackened, some still bright and
