This is how Eld. Drysdale quotes Gordon Magee's original work:
"...in other words, before Jesus was born with his human nature He was the divine visible equation of the invisible God. He was originally in the form of God and thought it not robbery to be equal with God, but he made himself of no reputation, 'He took upon him the form of a servant, and was made in the likeness of men.' This being, who prior to His physical birth, was in the very form of God -- the full equation in a majestic form of the invisible God -- This Being, God, at His Incarnation took upon himself the likeness of men. He assumed human nature at his incarnation, but did not cease to be God..." (Gordon Magee, Is Jesus in the Godhead or is the Godhead in Jesus, n.d., p.
This is how it appears in my copy of the book as published by WAP
"...In other words, before Jesus was born with His human nature He was the invisible God. He was in the form of God, but He “took upon him the form of a servant, and was made in the likeness of men” (
Philippians 2:7). At His incarnation God took upon Himself the likeness of men. He assumed human nature at His incarnation but did not cease to be God..." page 14, copyright 1988, 2001 edition