In copying engraved plates for printing purposes, copper may be deposited upon the original plate, the surface of which is first rendered slightly dirty, by means of a weak solution of wax in turpentine or otherwise, to prevent adhesion.
For the protection of the impression, in the 12th and 13th centuries, when it was an ordinary custom to impress the seals on thick cakes of wax, the surrounding margin rising well above the field usually formed a suitable fender; at other times, as in the 14th and 15th centuries, a so-called wreath,1 or twisted shred of parchment, or plaited grass or reed, was imbedded in the wax round the impression.
The neck of the retort, or side tube of the flask, is connected to the condenser c by an ordinary or rubber cork, according to the nature of the substance distilled; ordinary corks soaked in paraffin wax are very effective when ordinary or rubber corks cannot be used.
By repeated dippings of damped boards in molten wax (kept in liquid condition in tanks immersed in hot water) until the sheet was of suitable thickness for the purpose.
Among his antiquarian works are Recueil d'antiquites egyptiennes, etrusques, grecques, romaines, et gauloises (6 vols., Paris, 1752-1755), Numismata Aurea Imperatorum Romanorum, and a Memoire (1755) on the method of encaustic painting with wax mentioned by Pliny, which he claimed to have rediscovered.
He held that the people, as distinguished from the nobles and the clergy, were the pith and fibre of nations; yet this same people had to become wax in the hands of the politician - their commerce and their comforts, the arts which give a dignity to life and the pleasures which make life liveable, neglected - their very liberty subordinated to the one tyrannical conception.
Paraffin wax is tested for melting-point (or setting-point), and the semi-refined product is further examined to ascertain the percentage of oil, water and dirt present.
They were quietly dropping melted wax into snow and looking at the shadows the wax figures would throw on the wall, when they heard the steps and voices of new arrivals in the vestibule.
From the time when they began to cast bronze statues, Japanese experts understood how to employ a hollow, removable core round which the metal was run in a skin just thick enough for strength without waste of material; and they also understood the use of wax for modelling purposes.
In the Danubian campaign of 1809 he succeeded; but the stubborn defence of Austria, the heroic efforts of the Tirolese and the spasmodic efforts which foreboded a national rising in Germany, showed that the whole aspect of affairs was changing, even in central Europe, where rulers and peoples had hitherto been as wax under the impress of his will.