Atlas of 18 Overhead-Transparencies size 22 x 28 cm, comprising over 80 colour pictures (photomicro- and macrographs, nature photographs, human photographs, electron micrographs, life cycles, drawings, diagrams, tables, scenes, test data and results). With comprehensive interpretation text. In strong plastic file with ring-mechanism. By Dr. Karl-Heinrich Meyer B.S. and Johannes Lieder.

The Wood: - Pine (Pinus), healthy leaves, t.s. - Pine (Pinus) leaves damaged by acid rain, t.s. - Fir (Abies), healthy leaves, t.s. - Fir (Abies), stem tip damaged t.s. - Beech (Fagus), healthy leaves t.s. - Beech (Fagus), t.s. of leaves with destroyed epidermis and chloroplasts - Rhytisma acerinum, tar spot of maples, consequence of single-crop farming - Early leaf fall, caused by thawing salt - Healthy lichen, indicator of clean air - Damaged lichen, caused by air pollution - Healthy wood of beech, t.s. - Wood destroyed by fungus - Polyporus, wood rot fungus, fruiting body t.s. - Root nodules of Alnus, with symbiotic bacteria - Spruce beetle (Cryphalus picea), larva t.s. - Wood with normal annual rings, t.s. - Wood with anomalous narrow annual rings caused by drought, t.s. - Bark with larval galleries of spruce beetle, t.s. - Pineapple-like gall on spruce caused by lice, t.s. - Gall nut on oak caused insects, t.s. 

Water Pollution: - Intestinal bacteria (Escherichia coli) from putrid water - Putrefactive bacteria (Spirillum) from sludge poor in oxygen - Putrefactive bacteria (Sphaerotilus) bacteria, forming long chains with sheaths - Sludge bacteria (Methanobacterium) causing sewer gas - Sulphur bacteria (Thiocystis) - Wasserbluthe (Microcystis), blue-green alga "blooming" in stagnant water - Anabaena, blue green algae, in eutrophic water - Spirogyra, filamentous green alga in nutrient-rich water - Spirulina, corkscrew-shaped algae occurring in bitter seas - Chlamydomonas, one-celled green alga in eutrophic water - Cladophora, green alga with branching filaments from moderately polluted water - Diatoms, mixed algae from scarcely polluted water - Euglena, common green flagellates occurring in stagnant eutrophic water - Ciliates, different species from nutrient-rich water - Rotifers (Rotatoria), small animals from putrid water - Tubifex, fresh water oligochaete, living in the sludge - Carchesium, bell-shaped stalked ciliate from moderately polluted water - Water mould (Saprolegnia), harmful to plants and animals - Skin of fish injured by chemicals, t.s. - Skin ulcer of an amphibian, t.s. 

Life in the Soil: - Acidophile soil bacteria, solution of heavy metals - Nitrite bacteria, formatting harmful nitrogenous substances - Root of beech with ectotrophic mycorrhiza, t.s. - Root of birch with partly endotrophic mycorrhiza, t.s. - Root of lupin with symbiotic nitrogen fixing bacteria - Netted venation, portion of rotted deciduous leaf - Charlock (Sinapis), t.s. of stem. Green manure plant - Soil bacteria (Bacillus megatherium), smear - Hyphae of root fungi, t.s. - Lichen, indicator of clean air - Mushroom (Xerocomus), mycelium - Root of willow (Salix), planting protecting against erosion - Earthworm (Lumbricus) t.s., causing soil improvement - Springtails (Collembola), w.m. - Mite from forest soil, w.m. - Constituents of humus soil - Constituents of peaty soil. 

Air Pollution and Allergens: - Pollen grains of different kinds of grass - Pollen grains of different deciduous trees - Pollen grains of different conifers - Mixed house dust - Dust mite from a living room - Spores of different fungi - Wood powder - Asbestos powder (cancerogenous) - Talcum powder - Crystals of washing-powder - Polyamide fibres - Nylon fibres - Mucous membrane of human nose, t.s. - Healthy human lung, t.s. - Human lung injured with dust particles, t.s.