Identify the following parts of this microscope figure label…

Identify the following parts of this microscope figure labeled 1-3 from this list: Eyepiece (ocular) Head (Turret) Arm Objectives (lenses) Mechanical stage (x-y calipers) Stage Coarse adjust knob Fine adjust knob Rotating nosepiece Condenser and Diaphragm Base Light adjust control knob Light source (sub stage light) On/Off power switch