Soundscriber machine for playback.

[Machine.]

Simplex machine.

Accounting machine.

Large machine.

Small machine.

Simplex machine.

Machine closed.

Accounting machine.

Small machine.

Small machine.

Large machine.

Large mailing machine for newspapers, with two operators.

Accounting machine

Accounting machine.

Large machine.

Large machine.

[Detail, machine.]

Machine with rheostat.

Berg surfacing machine.