Yeah I know though I think Evildrakey indicated above he's not interested in doing that yet.
That point is interesting, though. Spruce tips - and probably most other conifer tips (including juniper) - are full of vitamin C, which is partly what gives them their citrussy zing and may have made brews containing spruce a remedy for scurvy.
Vitamin C is lost in a boil.
So that makes me wonder: if the beers did retain the Vitamin C/sprucey freshness, how were the tips added?
Chucked in at the end of a boil?
Or: was the beer brewed a little like a Sahti, with the spruce tips forming the bed for the grain over a barrel/bucket, and the hot water was repeatedly poured over the branches? With no boil at the end of it?
I've done a few beers with spruce and fir tips and the flavour is pretty strong (and delicious - I recommend it). I usually add them towards the end of the boil. Haven't tested them on people with scurvy, though!