What is it? Answers LXXIII

Friday, July 15, 2005

400. Solar cells






401. Hockey skate sharpener









402. Mechanical tachometer








403. Clapboard marker, also called siding marker and weatherboard marker, used to scribe a cutoff line when installing a clapboard.





404. Crandall hammer, a stone dressing tool









405. Magnetic nail holder



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