overhead projector Definition

whiteboard, blackboard, easel, chalkboard, projector, classroom, eraser, filmstrip, lectern, pinhole camera, sketch pad, pencil, cassette recorder, notepad, ballpoint pen, screen, film projector, slide projector, whiteboards, electric typewriter, worktable, teleprompter, planetarium, visual aids, enlarger, erasable, posterboard, clicker, tape recorder, armillary sphere, pegboard, stereopticon, camera obscura, protractors, penlight, photocopier, movie projector, upright piano, kinetoscope, magnifier, electric sander, crayons, otoscope, typewriter keyboard, diagrammed, corkboard, brail, epidiascope, spyglass, flashcard, mimeograph, printouts, braille, camera, kerosene lamp, scotch tape, xerography, electrostatic generator, ethernet cable, pasteboard, typewriter, carrel, mylar, laptop computer, linotype machine, hallway, clickers, magnifying glass, grease pencil, phonics, mimeograph machine, doodled, thumbtack, sketchpad, videocassette recorder, overstuffed chair, eyepiece, sextant, stenotype, microphone, pushpin, mercator projection, stereographic, victrola, flashlight, steno, strobe light, pyrography, webcam, computer, onionskin, holographic, instruction manual, ophthalmoscope, lunchroom, keyboard, stereoscope, copier, cassette tape, microprojector,