McDowell pattern caps

[major bill]

Can anyone direct me to information about how many McDowel pattern caps (Austrian pattern caps) were used by the Union and the Confederacy during the Civil War? Also were the terms "McDowell cap" and "Austrian pattern cap" period terms?

Major Bill
Company of Military Historians

 

[Robert Gray]

McDowell type forage cap.

 

[101combatvet]

Minty