An easy proof of the "prismoidal formula", with an accurate method of taking out the quantity of earth, and of setting out the "half-breadths" in a cutting with a steep gradient.

Míreanna comhchosúla

• On a modification of the prismoidal formula.
  de réir: Cotton, Charles Philip
  Foilsithe / Cruthaithe: (1880)
• A new method of extending existing bridges and reducing steep gradients.
  de réir: Geoghegan, Charles
  Foilsithe / Cruthaithe: (1871)
• On a general property in the theory of attractions.
  de réir: Townsend, Richard
  Foilsithe / Cruthaithe: (1879)
• On a property in the theory of the irrotational strain of an incompressible lamine in the plane of its mass.
  de réir: Townsend, R.
  Foilsithe / Cruthaithe: (1882)
• A new method of finding the angles between the face joints and Coursing spirals on the soffit in a skew arch.
  de réir: Townsend, Edward
  Foilsithe / Cruthaithe: (1868)