Authors: Simon De Graff

  • The Modern Geometrical Stair-Builder’s Guide Being a Plain Practical System of Hand-Railing, Embracing All Its Necessary Details, and Geometrically Illustrated by Twenty-Two Steel Engravings; Together With the Use of the Most Important Principles of Pra — Simon De Graff

    The Modern Geometrical Stair-Builder’s Guide Being a Plain Practical System of Hand-Railing, Embracing All Its Necessary Details, and Geometrically Illustrated by Twenty-Two Steel Engravings; Together With the Use of the Most Important Principles of Pra — Simon De Graff