in graphical form

Full Title

Registering or indicating the condition or the working of machines or other apparatus, other than vehicles > Registering or indicating the production of the machine either with or without registering working or idle time > in graphical form

Classification Context

Section:

PHYSICS

Class:

CHECKING-DEVICES

Subclass:

TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE