The King v Westfield Freezing Company Limited - [1951] NZLR 456

Evidence — Admissibility — Similar Facts Inadmissible to prove Occurrence of Main Fact — Exception — Evidence of Operation of Mechanical Agencies — Exception confined to Characteristics of Agency Itself apart from Human Intervention — Evidence on Collateral Issue likely to confuse Jury and protract Trial — Judge's Discretion to exclude Such Evidence.