Model B Perfect for classroom & meeting room facilities. Easy pull-down system locks at intervals to fit a variety of projection formats. Nylon bearings provide smooth quiet operation for the life of the screen. Case design allows for hanging from a ceiling or flush mounting to a wall. Features Screen surface may be angled with included 20 inch pull cord to eliminate keystoning when screen is mounted with extension wall brackets (optional) or suspended from the ceiling Camlok roller system prevents the screen fabric from being accidentally pulled from the roller Black masking borders are standard 22 gauge octagon embossed steel case, 2.75 inches in diameter, with baked enamel finish Matte White screen surface is seamless & ideal for front projection when ambient light is controllable Offers unlimited viewing angles & perfect uniformity while giving precise definition & reproduction of color or black & white Screen surface is washable with mild soap & water Flame retardant Mildew resistant Extension wall brackets (optional) are required for wall mounting or mounting screen across a corner Specs Viewing Angle: 50 degrees Gain: 1.0 Height: 50 inches Width: 50 inches ...

The Wall Screen Model B is perfect for classroom & meeting room facilities. Easy pull-down system locks at intervals to fit a variety of projection formats. Nylon bearings provide smooth quiet operation for the life of the screen. Case design allows for hanging from a ceiling or flush mounting to a wall. Da-Lite offers a 120" (305 cm) diagonal Wall Screen Model B. ...

70" x 70" audio/visual portable tripod screen perfect for schools or business meetings. Can be folded up & transported to another location in just minutes. Durable tripod & extension tube. Screen height is adjustable with built-in tension lever lock for position adjustment. Slat saddle provides wrinkle-free image surface. Built-in Camlok metal roller system prevents accidental pulling of screen surface from roller. No-mar tripod shoes protect floor. Screen surface is matte white with borders & will be seamless in all sizes. Standard case color is black. Warranty 1 year. ...

High-low case adjustment allows a 70" x 70" screen to be fully opened in a room with an 8 ceiling. Keystone eliminator tilts the screen forward to compensate for distorted images (standard on all sizes except 84"x 84" & 100" diagonal). Matte White, Glass Beaded & Silver Matte fabrics will be seamless in all sizes. ...

This fantastic wooden toy is easy to assemble & scale model of Leonardo Da Vincis original catapult design. Based on two different drawings, your catapult will fire soft clay balls & give you an insight into the mind of a genius. An ideal educational gift for children or adults, why not treat someone for their Birthday or Christmas? It will certainly beat whatever plastic disappointment is lurking in their Kinder Surprise. The kit

Includes:: full instructions with a little bit of history on Da Vincis catapult designs.

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Smallest, Most Compact Screen Available. Da-Lite 50 Diag. Ultra Portable Desktop Screen Setup is a snap for the lightweight, tabletop Presenter screen. Simply fold out the legs & open the case. The base makes the screen stable while protecting the surface on which it is placed. Available in two sizes, 40" & 50" diagonal & is offered with the unique Wide Power screen surface with a 2.2 gain & generous 45 degree viewing angle. Weighing only five pounds & less than 35" long (40" size), makes it truly ultra-portable. ...

Perfect for classroom & meeting room facilities. Easy pull-down system locks at intervals to fit a variety of projection formats. Nylon bearings provide smooth quiet operation for the life of the screen. Case design allows for hanging from a ceiling or flush mounting to a wall. Matte White, High Contrast Matte White, Glass Beaded, Video Spectra 1.5 & Silver Matte fabrics will be seamless in all sizes. High Power fabric up to & including 6 high will be seamless. ...

Da-lite Model B 60x 60 Mw Screen Perfect for classroom & meeting room facilities. Easy pull-down system locks at intervals to fit a variety of projection formats. Nylon bearings provide smooth quiet operation for the life of the screen. Case design allows for hanging from a ceiling or flush mounting to a wall. Matte White, High Contrast Matte White, Glass Beaded & Video Spectra 1.5 fabrics will be seamless in all sizes. High Power fabric up to & including 6' high will be seamless. ...

Perm-Wall is designed for permanent mounting to the wall or in a wall opening. Front or rear projection surfaces snap easily on to the front of the silver aluminum frame. It features flat back & sides for easy installation. It also provides a perfectly flat viewing surface for graphic & data video projection. ...

Da-Lite's wide selection of tripod & wall screens gives the presenter a professional solution for any projection application or situation. All screens incorporate Da-Lite's exclusive Camlok roller system that prevents the screen from being accidentally pulled from the roller. All screens come with black masking borders as standard. Da-Lite Picture King is a high quality professional tripod screen that is able to withstand daily usage. Heavy-duty aluminum extruded legs with toe release mechanism offer a wide stance for maximum stability. Screen height is adjustable to accommodate any ceiling height with self-locking extension tube & high-low case adjustment. Built-in fabric lock secures screen fabric during transport & use to prevent shifting. ...