What do we know about light?

Educational film for parents to discuss LSD with their children.

Almost one hundred years ago, the project to reduce the world to mathematical physics failed suddenly and completely: “One of the best-kept...

It's time for muck spreading on the farm using all the muck that Farmer Tom has cleared from the cow's barn.

The forage harvester cuts the tall grass and then the brilliant baler squashes it into big bales.

Clever machines are needed in the potato field and Cheeky Midge gets a closer look.

An apple harvester collects up apples that are given a good wash and the children make apple juice.

Tractor Ted shows us lots of huge harvesters and the food they harvest for us and all the animals. Farmer Tom is busy at work on the farm getting in...

Come on an exciting trip to the tractor factory. Take a look at Les's tractor and how it works, then it's off to the farm to see some of the jobs a...

Tractor Ted takes a trip to meet some racehorses during the working day of a large stableyard. He sees them on the gallops, having a bath and even...

Tractor Ted Goes Farming includes two new stories - meet some amazing tractors with huge caterpillar tracks in Tractor with Tracks whilst Sow and...

Tractor Ted takes us to see some unusual farm animals and we see some big farm machines hard at work

The lecturer shows a microcinematographic sequence of spirochaetes and drawings of the gonoccus (the bacteria responsible for syphilis and...