Black and white negative of sandwiches--sirloin steak, lettuce, gherkin--prepared for the airline's kitchen. Negative missing.

Black and white negative of sandwiches--cheese, lettuce, olive--prepared for the airline's kitchen. Negative missing.

Black and white negative of sandwiches--chicken, lettuce, carrot--prepared for the airline's kitchen. Negative missing.

Black and white negative of a Rolleiflex camera. Negative missing.

Black and white negative of the Kitchen, featuring the right and the wrong way to do something. Negative missing.

Black and white negative of the Kitchen, featuring the right and the wrong way to do something. Negative missing.

Black and white negative of the Kitchen, featuring the right and the wrong way to do something. Negative missing.

Black and white negative of the Kitchen, featuring the right and the wrong way to do something. Negative missing.

Black and white negative of the Kitchen, featuring the right and the wrong way to do something. Negative missing.

Black and white negative of the Kitchen, featuring the right and the wrong way to do something. Negative missing.