If the photograph is clicked, it grows.

HP 11536A 50ohm Feed Through Tee
SOLD OUT sold
par1122

Probe input connector broken
1/4 ground plate broken

1-1000MHz 50ohms
Accuracy 1-100MHz 2% 100-600MHz 6% 600-1000MHz 12%
SWR 1-750MHz <1.15 750-1000MHz <1.20