My interest was heightened but Experimental Methods cost $50 on the ARRL
web
site! More than the handbook.
A copy of Solid State design went on ebay for $10.50 recently
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There is no comparison between the 2.
Having both books myself , 'Experimental Methods' is a much more up to date
and elaborate book.
I can recommend it to any RF engineering minded ham .

Frank GM0CSZ / KN6WH