Simplex machine, general view with rheostat attached.

Simplex Machine Co. Detail of Rheostat.

Rheostat without lid.

Interior, shoe factory with man at machine

Interior, shoe factory with man at machine

Interior, shoe factory with man at machine

Interior, shoe factory with man at machine

Interior, shoe factory with man at machine

Interior, shoe factory with man at machine

Simplex machine with lamp house detail, interior lantern.

Small machine.

Small machine.

Large machine.

Accounting machine.

Simplex machine.

Machine closed.

[Machine.]

View of machine.

View of machine.

View of machine.