F45, 5 L cleaning solution

An improved extra strong cleaner for the escapement inclusive of hairspring. Removes gum. dirt, grease but does not dissolve the shellac. Dries quickly. Non-
corrosive. Does not contain any acid.
Very successful when used in the last jar of the cleaning machine. Directions for use Same use as benzine.
To prevent desintegration of solution, it must not be mixed with other solutions.

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