Jack v Mayor Etc of Palmerston North - (1909) 28 NZLR 469

Municipal Corporation — By-law — Reasonableness — Creating a Monopoly — Statute of Monopolies (21 Jac 1, c 3) — Cowl for Ventilators — Approved Pattern — Subsequent Approval by Resolution of One Pattern only — "The Municipal Corporations Act, 1908," Section 346, (b) — Mandamus — Matter of Discretion — Discretion already exercised.