[1] is a video from a couple decades later (1914) that shows more of the urban middle or lower class folks of Kristiania (it wouldn't be called Oslo until 1925).
[1] https://www.nb.no/nbsok/nb/5d19ec53f24eb5909b9316a833b90c38....
[1] https://www.nb.no/nbsok/nb/5d19ec53f24eb5909b9316a833b90c38....