If the most powerful forces driving busi-ness at the end of the 20th century were computers and communications, at the end of the 19th they were cleanliness and carbolic. One hundred years lie between the emergence of the mass market for keeping clean and the mass market for keeping in touch. These books take the reader back to an era when soap was the silicon chip of the day, when two of the mightiest and most enduring multinationals ever created were being built upon vats of tallow and coconut husk.
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