The slideshow has long been a staple of the college lecture. Today, students follow Microsoft PowerPoint presentations from their notebook computers and mobile devices, but one of the earliest art ...
When typewriters were still needed for school papers and reports and photographs were still in the form of film, the slide projector was an essential piece of equipment. It was needed in schools and ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback