Help With Humidor

My girlfriend is house sitting for a family friend and I noticed that the father has a small desktop humidor. I opened it up to inspect his tastes and I looked on in horror. The cigars are bone dry. He has a pretty good collection of NC Partagas, Cohiba, Macanudo, and others. Luckily there is not any cracking except for on one cigar, a Davidoff. Here is a picture of the 25-50 count humidor.





Have any of you guys heard of G Watts humidors?

I was going to try the dollar bill seal trick later and see if it has a good seal. If it turns out the seal is good then I am thinking of giving him my little humidification device I used in my desktop with other little ones as Bill just sent me a heartfelt tube I am going to use.



Do you guys think this would be big enough to keep it humidified? It is currently only humidified by a big clay thing that I don't think does anything useful.