Luftwaffe experts.....a question

Modeling Subjects Aircraft
1

Note the three dots in the canopy of my Ta 152…what the heck are they for?

I’m puzzled[?]-Steve

2

The Ta 152’s cockpit waas pressurized. Those were air evacuation vents.

3

Thanks Pix

4

Are u sure they weren’t there for the pilot to get rid of his cigarette ?[:)]

No just kidding, actually I have always wondered myself, just never thought of asking it here.