Figures & data
Figure 1. Advertisement to take Davitamon vitamins every day, “Just like Ot and Sien” (collection Dutch national museum of education, Dordrecht)
![Figure 1. Advertisement to take Davitamon vitamins every day, “Just like Ot and Sien” (collection Dutch national museum of education, Dordrecht)](/cms/asset/b1421d40-7f89-4273-b261-732c64913a61/cpdh_a_1864421_f0001_oc.jpg)
Figue 8-9 Pim with his book first and revised editions. Source: Collection Scheepstra cabinet, Roden
![Figue 8-9 Pim with his book first and revised editions. Source: Collection Scheepstra cabinet, Roden](/cms/asset/ace51955-45a5-4da3-9d72-426a595046da/cpdh_a_1864421_f0003_oc.jpg)