... It seems I should not have started with a wood recorder, plastic requires much less maintenance and they are nearly indestructible.  According to the manufacture's website, the alto recorder I have is stabilized maple, so probably not as delicate as the $3000 wood recorder
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 The issue I have is probably not finger placement as much as it is breath control.    
I ended up playing alto recorder through a circuitous route. I've since dropped the harmonica in favor of it.  Unless you plan on recitals, a brand name resin recorder is a good hobbyist and rough use instrument.  The one I have is a Yamaha YRA-312 ~$30.  I've found that the arched windway really helps with breath control.  The other two name brands are Aulos and Zen-on.