My Old Scofield, gives no comment here. My Scofield lll, the same as your 1967 Scofield version (added by the NSRB editors).
The Thompson Chain gives reference to Eze 9:1 and 9:5-6, which gives reference to the previous vision, and judgment. In fact Ch.9 in total, gives you a pretty good view of the previous vision spoken of in 43:3
Anoint a City? - with big buckets of oil.