Extremely rare barograph complete with open dial barometer which works in sequence with the recording movement. The case is fitted with deep bevelled glass & has a retailers’ plaque, Oskar Eriksson, Helsinki to the left of the clock drum. The barometer dial is very unusual as it has Russian text in Cyrillic. Complete with original ink bottle & brass topped stopper. The 8 day clock is inscribed with the 1902 patent on the visible escapement.