TP-4

for use with anti aircraft batteries.

Components

• BA-30
• BE-74 chest set ,T-30 Mic. ST-25
• HS-27
• HS-24
• JB-18
• DR-4
• RL-31
• BE-73, switchboard
• EE-8-A
• 1/2 mile of W-110

Related files

TP-4 Preliminary Instruction Pamphlet

Instruction Pamphlet

Telephone Set

TP-4

June 20, 1942