Brunsviga 13 is a manual mechanical calculating machine (arithmometer) with a 13-position counter. Arithmometers were patented in the 19^th century in France and were designed to perform addition and subtraction, whereas multiplication and division could be conducted by several operations of adding and subtracting. They were driven manually (with a crank or a lever).

A weight for the town mining scales, once standing on the market square in Olkusz. The ore and melted metal were weighed on it to calculate the tax due to the crown treasury.

The glass necessity money issued by Galicyjskie Akcyjne Zakłady Górnicze [Galician Mining Stock Company] in Siersza. The reverse is smooth; there is a convex inscription on the obverse: “1 KGR MIESA WOLÓWEGO Z. S.” [“1 KG OF BEEF Z. S.”], denoting the value of the blue coin back then.

A safe for storing the salt company’s accounting documents is the heaviest and largest exhibit at the Wieliczka Salt Works Castle and one of its few original items that has been preserved to our times.
It was purchased by the Wieliczka Salt Mine Board in January of 1910 in Lviv. The well-known manufacturer put the labels with its name on the safe’s top and close to the internal fixing of the lock: “C. K. Uprzywilejowana pierwsza krajowa Fabryka Kas Ogniotrwałych W. Kosiba & W. Chudzikowski Lwów” (The First Imperial and Royal Authorised National Factory of Fireproof Strongboxes W. Kosiba & W. Chudzikowski, Lviv). 

A bright green coin made of glass which constituted as a substitute for legal tender within the territory of the dominion of the Koryciński family of the Topór [Axe] coat of arms from Jodłowa. Inside a glass disc there was the Koryciński coat of arms in the shape of an embossed axe; above it there is a crown with nine tops.

It was discovered in August 1961 in the settlement of Pleszów. A part of the deposit was put in a clay pot with a volume of about 2 litres. The remaining part was scattered across a fairly large space. The treasure contains silver objects: coins and their fragments — 608 items, 129 fragments of ornaments, 341 cast pieces of silver and 8 pieces of lead. The treasure was hidden after 1037 and it weighs 2 532 g.

Receipt of payment of laografia (head tax).
In Roman times, Jews inhabited district IV in Apollinopolis Magna. The regular head tax in the 1^st-2^nd century was 16 drachmas a year. Receipt for payment of 8 drachmas (as in this document) or 4 drachmas are proof of the tax having been paid in installments.