If you are in favor of more taxes nominal vs effective rates is not a can of worms you want to open. Effective tax rate was lower in the past even if the nominal was higher. SALT was amounted to basically nothing back then whereas they are far more now.

sure but that sword cuts both ways. it is well documented pretty much nobody actually paid top nominal rates in the 50s because there were so many loopholes

No. The chart shows "Federal Receipts as Percent of Gross Domestic Product"