This offering table has the hieroglyph for offering on it, as well a calculated grit of words with all the offerings that are supposed to be given. There are shallow holes for incense, oil and other valuable materials.
Marcello Nizzoli, adding machines: 1/ Olivetti Summa 15, 1949 2/ Olivetti Multisumma 20, 1964 3/ Summa Prima 20, 1974. Slow calculators with no stored memory (beside the paper strip). This changed with the introduction of the microchip in the 1970s. Museo de Informática, via Ceres