Teaching series for elementary science (for hobby and schools) . - 10 prepared slides in box

59-5900 Teaching series for elementary science (for hobby and schools) 59-5900/1 Leg of house fly w.m. 59-5900/2 Bird feather, w.m. 59-5900/3 Wing scales of butterfly 59-5900/4 Human blood smear 59-5900/5 Intestine of rabbit, t.s. 59-5900/6 Lung of cat, t.s. 59-5900/7 Mixed zoological and botanical plankton 59-5900/8 Pollen grains of different plants 59-5900/9 Foliate leaf with netted venation 59-5900/10 Large cells in marrow of elderberry t.s.