Manual training--play problems; constructive work for boys and girls based on the play interest (1917)
Marten, William Samuel, 1877- · New York, The Macmillan company · leaf 152
LEAD BRLUWST^ STRIP OF W PIVOT*-14- … 4-^KFXLRUDDEf\_!D^-Bf\UJ\ST BACK VIE1WWITHOUT MAST SCALE . 6 4 m J Fasten enough ballast of lead or other metal to the keel to keep theboat upright in a stiff wind. The farther the ballast is below the waterline, the more effective it is in keeping the boat upright. When thekeel is not very deep,…
Manual training · Toys · Games
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
