McGill Utility Box Side KO-3X1/2 End KO-1X1/2 Bottom KO-2X1/2 Model – Zenith United Electric

McGill Extension Ring- Utility Box Sides-8-1/2 KOS with Ear Screws Mod – Zenith United Electric

Energy Box

9/6/2007.pdf - Post Newspapers

McGill Metal Enclosure 800 x 600 x 250 IP65 Model# MG6825 – Zenith United Electric

RightAngle - RACO Electrical Back Deep Box (3x3x9x47)

McGill Octagon Box Sides-4 concentric KOS Bottom-2-1/2 & 2-3/4 KOS Mo – Zenith United Electric

McGILL – Zenith United Electric

Electrical Boxes – Zenith United Electric

11 Jul 1953 - Advertising - Trove