But no ordinary washing would be enough, one would require priestly intervention, a ceremonial of cleansing, don't you think?

If you look at any ordinary washing-sponge, you notice a great many very small openings and some larger ones amongst them.

It only remains to clear off the bichromated sugary coating which forms the reserve, and which, being hardened by the heat, resists ordinary washing.

If the ordinary washing fails to remove any of the spots, spread on a smooth board and rub with a soft, wet, soapy brush.

For if there were nothing done but a mere washing with water, without any solemnity, some might easily think it to be an ordinary washing.

Ordinary washing and even cleaning doesn't alter microscope findings.

(1) The aluminium articles are boiled for a few minutes in a strong solution of ordinary washing soda.