The phrase "a blackboard of" is correct and usable in written English.
It can be used to describe a metaphorical space or medium where ideas, thoughts, or information are presented or displayed, similar to how one would write on a physical blackboard.
Example: "The conference served as a blackboard of innovative ideas, allowing participants to share their insights and collaborate."
Alternatives: "a canvas of" or "a platform for".
There's a bar upstairs where you can drown yourself in the good tequila, and both a fixed menu and a blackboard of specials at modest prices.
"If I come here I know what I can get with the kind of cooking it is," he says as a waiter arrives bearing a blackboard of specials.
"Art is only an excuse for the building housing it, which is the real symbol, precise as chalk screeching on a blackboard, of the culture of the new rich," he wrote about museums 20 years ago.
It has bare wood tables and floors, votive candles on the tables, wall sconces holding flickering candles, a blackboard of specials and friendly staff members who warm up the room.
Even though the mushroom risotto was salty and undercooked, and hanger steak was served bloody rather than medium-rare as ordered, two other mezza entrees, both from a blackboard of daily specials, were refined and superb: three good-size diver scallops in a voluptuous brandy-cream sauce, and pork tenderloin with top-of-the-season peach sections wrapped in prosciutto.
I'm not sure I understand or recognise all of it – hell, I'm not sure I even understand the logic behind the menu, a blackboard of confusing meal-deal arrangements – but one thing I do know: it looks, and smells, like the real thing.
But before we began, Ms. Love turned our attention to a blackboard on the edge of the zone, where a grid appeared with our names listed along one side.
Ukip will be ecstatic; the knuckles-down-a-blackboard voices of Littlejohn et al will not let up for weeks.
Almost certainly it'll be the look of terror on Janet Leigh's face accompanied by the nails-scraping-down-a-blackboard screeches of composer Bernard Herrmann's score.
The drinks menu is just a list Satanic puns scrawled up on a blackboard inside of a poor sketch of a mason jar.
Finca Altozano A large grill, a blackboard full of specials, and views over the vines.
