This is something we did with [[Julia]] since {{thisday|27|June|2015}} when she was roughly six months of age, that is, when she can sit up === 5 meses ===

Power button as well. Press and hold all 3 buttons together for 5 ...asions, so we inquired again and this time got this reply (on {{thisday|22|June|2023}}):

* 4 June 1924 Bose writes to Einstein * 5 March 1925 Einstein’s third paper on QTMIG published (Einstein 1925a)