Test set I-48-B and ohmmeter ZM-21A/U.

"November 1954."

Test sets I-49, I-49A, and I-49B and resistance bridges ZM-4A/U and ZM-4B/U.

"October 1957."

Intermediate direct support and specialized repair activity maintenance manual for Vinson interconnecting box, test set AN/USM-481 (NSN 6625-01-106-4296).

"September 1987."

Field and depot maintenance manual : test sets, electron tube TV-7/U, TV-7A/U, TV-7B/U, and TV-7D/U.

"30 June 1960."

Operator and organizational maintenance manual : test sets, electron tube TV-2/U, TV-2A/U and TV-2B/U.

"March 1961."

Operator and organizational maintenance manual : test set, electron tube TV-13A/U.

"7 November 1961."

Operator's and organizational maintenance manual : test sets, electron tube TV-7/U, TV-7A/U, TV-7B/U, and TV-7D/U.

"14 June 1960."

Field and depot maintenance manual : test set, electrical meter TS-656/U.

"1 September 1961."

Operator and organizational maintenance manual : test sets TS-538/U, TS-538A/U, TS-538B/U, and TS-538C/U.

"2 October 1963."