[Ham-Books] FS: Tube Caddy Tube Substitution Guidebook

[Barry Tuttleman]

for sale:

John F. Rider 1960 publication: "Tube Caddy: Tube Substitution Guidebook" by H.A. Middleton; small format (4" x 6") 53 page
softbound booklet in nice shape.  includes both American &
Foreign tube subs; notes "direct substitutions ONLY".

$12.00 + shipping; photos available upon request.

please email replies offlist, TIA!
barry
carson city, nv