Want to know everything № 167 (1986)

1.

Toy train rides on the railway.

Telescope at the Observatory.

Installation for drilling an ultra-deep well.

Workers lower the drill into the well.

Stored a lot of cores - samples of earth rocks raised from the depths.

Samples through a magnifying glass.

Cylindrical sample in hand.

Well drilling.

2.

The water in the swimming lamprey.

The hand pulls the eel out of the tank.

Large: lamprey's mouth.

The lamprey sucked on the fish.

Stream.

Woman at the microscope.

Lamprey eggs under a microscope.

The larvae of the lamprey.

The lamprey larva burrows in the sand.

3.

Model of a sailboat.

A copy of the sailing ship "Vostok".

G. I. Pisarenko builds a model of a sailboat.

Model of the battleship "Twelve Apostles".

4.

the boy shoots balls from the tube.

The air jet moves the train through the tube.

Trolleys with parts go through a pneumatic pipeline.

Transportation of sand and gravel.