Postage stamp slot machine.

Postage stamp slot machine.

[Machine.]

Large machine.

Large machine.

Accounting machine

Accounting machine.

[Detail, machine.]

Small addressing machine, K-X machine, detail from below.

Precision Machine Co. View of inserting movement in machine.

View of machine.

View of machine.

Corneil vending machine.

Popsicle handling machine.

View of machine.

Small addressing machine

Carborundum machine in action.

Simplex film inspecting machine.

Soundscriber machine for playback.

[Man operating unidentified machine.]