What did the Dutch invent?

1 Inventions

1.1 The microscope

1.2 The telescope

1.3 The pendulum clock

1.4 The electrocardiograph

1.5 The Phase contrast microscope

1.6 The Compact Disc

1.7 sawmill Upgrade

1.8 The road-rule enforcement camera

1.9 The Leyden jar

1.10 The pyrometer

1.11 The submarine

1.12 The artificial kidney

2 Discoveries

2.1 Bacteria

2.2 spermatozoa

2.3 Infusoria

2.4 The respiration and photosynthesis of the plant

2.5 The Rings of Saturn

2.6 Australia

Pretty Usefull fella's, aren't they?