If the photograph is clicked, it grows.

HP 11899A /100 Power Supply
SOLD OUT sold
osc2260

Probe Power Supply 85024A 41800A
DC-Output 2ch –12.6V ±6%, 350mA +15V ±6%, 500mA
option 100 ACInput AC88-112 V, 50/60 Hz 0.35A
81 mm wide, 65 mm high, 121 mm long
net 0.9 kg

Upper GND
Lower +15V -12.6V