117 N.W.2d 237 NORRIS E. PETERSON, TRUSTEE FOR HEIRS OF EDWARD NORRIS PETERSON, v. MARK MODJESKI, d. b. a. WINONA PLUMBING AND HEATING COMPANY, AND ANOTHER. No. 38,588.Supreme Court of Minnesota. August 17, 1962. Negligence — negligence of employer — failure to furnish equipment. 1. Where an excavating and plumbing contractor sent an inexperienced workman […]