Overhead Projector Pack Size_5 Sliding lamp housing makes the

Sliding lamp housing makes the beam position adjustable

gripping objects up to 90 mm and mounting to support rods up to 15 mm for chemistry and physics setups

Metal-capped half-meter hardwood scale with horizontal-reading graduations

Clear magnifier lid on this round viewer captures and enlarges small insects or specimens for elementary and middle school entomology observation

Overhead Projector Pack Size_5 Sliding lamp housing makes theABS body, 90mm 3 element uni focal lens. Platform size 285x285mm o ABS body. Projector arm foldable and rotating projection head 360???. Excellent Contrast through 90 mm 3 element lens uni focal giving optimum brightness. o Rust and shock proof. Projector e*uipped with two halogen lamps with *uick changer lamp which can be operated from outside. o Platform size 285 x 285 mm with anti*ue layer Fresnel lens. Halogen lamp 2 x 24 V 250W and economy switch