Посмотрела в гугле. Есть ответ в книге на google books. Leonhard Euler: life, work and legacy; авторы Robert E. Bradley,Charles Edward Sandifer, стр. 114. Если кратко, то - обычай наматывать ткань на бритую голову в отсутствие парика.
В оригинале: "He wears an ultramarine silk robe with black stripes and buttons, and wound around his head a loose blue and white silk cloth (as was the custom since he is not wearing a wig and his head is shaved)"
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useless_faq2011-11-16 07:53 pm
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В оригинале: "He wears an ultramarine silk robe with black stripes and buttons, and wound around his head a loose blue and white silk cloth (as was the custom since he is not wearing a wig and his head is shaved)"