7 adjectives to describe blackboard

This northern half of the great American continent, however, seems to have been kept back by Nature as a tabula rasa, a clean blackboard, on which the great problem of civil government might be worked out, without any of the incongruous drawbacks which have cast perplexity and despair upon those who have undertaken its solution in the elder world.

This was a many-cornered, well-planed blackboard covered with white numerals, which hung like a lamp in the middle of the building.

He summons emperors, kings, ministers, even whole nations, to the inexorable blackboard.

The paint was worn from the floor, the ceiling was smoked and dirty, the desks were rickety and uneventhe blackboards gray.

" A scuffling of feet, a slamming of desk lids and an upset blackboard, and the meeting had divided.

Clean as though drawn by a crayon on a freshly washed blackboard, the unbroken horizon line stretched out in a great circle before her eyes.

A small, wooden blackboard and the teacher's table and rickety chair are all that it can boast in the way of equipment.

7 adjectives to describe  blackboard