A studio camera was focused on a rectangular slot in the frame where the prints appeared one by one.

For television use, modern displays (starting in the late 1960s) use rectangular slots instead of circular holes, improving brightness.

He yelled to those inside and after what seemed like minutes, the single rectangular slot in the door was opened.

Half-slot channel has short, rounded end rectangular slots punched out on 2 inch centers.

The dome, large as a stadium, was clearly visible, with a large rectangular slot open and pointing directly at the Old Dog.

Early planes were made from wood with a rectangular slot or mortise cut across the center of the body.

The results are sizable boxes with openings, some rectangular slots, other irregular holes surrounded by burn marks left by the torch.

They are used for clearing rectangular or square slots.

Instead, there was a chunky, rectangular slot in the huge head, a meter across.

The mass-ejectors were conventional in form, rectangular slots opening along the rear.