OP 1664 - U.S. Explosive Ordnance (Vol. 1); Part 2 - Rockets and Fuzes; - Chapter 6 - Rocket Fuzes; Section 4 - Army Base Fuzes (Experimental Types): T2004 V.T.

U.S. EXPLOSIVE ORDNANCE

PART 2 - ROCKET AND ROCKET FUZES

Chapter 6 - ROCKET FUZES

Section 4 - ARMY BASE FUZES (EXPERIMENTAL TYPES)

T2004 V.T.

See Navy V.T. Fuze Mk 172, page 213.