Extracts From Chordal's Letters. Comprising the Choicest Selections From the Series of Articles Entitled "Extracts From Chordal's Letters," Which Have Been Appearing for the Past Two Years in the Columns of the American Machinist

Extracts From Chordal's Letters. Comprising the Choicest Selections From the Series of Articles Entitled "Extracts From Chordal's Letters," Which Have Been Appearing for the Past Two Years in the Columns of the American Machinist