this is the BIG one !
1959 2 nd edition of
" encyclopedia of cathode tay oscilloscopes and thier uses "
1,355 pages about 3 inches thick shipping weight is
5 pounds
loaded with schematics .
price is $ 50
for other pix please go to
www.waltbelsito.4t.com
payment by paypal onlythanks WALT , waterbury , ct .