J.D. Chambers · Director

Sealed

1952 ?.? ?.?

Mining Review 5th Year No. 10 Director

The Sardinian Project

Sealed

1949 ?.? ?.?

The Sardinian Project Director

The Sardinian Project

Sealed

1949 ?.? ?.?

The Sardinian Project Director

Sealed

1946 ?.? ?.?

Chasing the Blues Director

The Great Harvest

Sealed

1942 ?.? ?.?

The Great Harvest Director

Night Shift

Sealed

1942 ?.? ?.?

Night Shift Director

How the Teleprinter Works

Sealed

1940 ?.? ?.?

How the Teleprinter Works Director

How the Telephone Works

Sealed

1938 ?.? ?.?

How the Telephone Works Director