Oscilloscopes:
Tenima 72-3055
Tenima 72-6805
BK Precision
Oscilloscope controls:

Vertical (Volt/Div):
The vertical section adjusts the amplitude and of the signal in a vertical span.
Horizontal (Time/Div):
The horizontal section controls the amount of time per division represented horizontally on the screen.
Trigger:
Trigger controls allow you to stabilize repetitive waveforms and capture single waves.