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#13 – Ophtalmotrop

Ophtalmotrop is a device showing the eye movement and the structure of the whole visual system in humans

In fact, it's just a model of the eyeballs. Eyeballs are driven by eye muscles - the muscles are performing the role of six strings attached at different locations to the eyeballs. All cords are thrown through the blocks and balanced with little weights. One rotates the model of the eyeball by pulling one or another cord in a proper way.

13 Terrible Things of the Past, You Weren’t Even Aware About the Appointment of Which!

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#12 – Bear Hunting Suit

This weird construction transforms man into a kind of fish-ball - a suit of Siberian Bear Hunter or daredevil involved in the fight with a bear. To hunt alone, such a "chain mail", of course, was too heavy: hard to imagine that in this outfit person could move freely and even more so to run fast. But when it's not necessary (for example, when the group of people go hunting), the suit is well protected from the bear bites and claw strikes.

13 Terrible Things of the Past, You Weren’t Even Aware About the Appointment of Which!

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#11 – Powder Tester

The Belgian version of the powder tester, "tube".

The earliest device for testing power of the gunpowder was invented by Bern in 1578. It was a small cylinder with a tightly fitting lid on the loop. Gunpowder exploded inside, and the angle at which the lid was raised, it was believed, pointed out the power of gunpowder.

13 Terrible Things of the Past, You Weren’t Even Aware About the Appointment of Which!

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#10 – Credit Card

Variety of credit card.

Marks on a borrowed product was made on both poles at the same time. One was kept by a buyer, the other one by the seller. This excluded fraud. When the debt was paid off, the stick was destroyed.

13 Terrible Things of the Past, You Weren’t Even Aware About the Appointment of Which!

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#9 – Vampire Hunter Set

Fearsome suitcase looks like it was confiscated from maniac or taken as a souvenir from the shooting of the next Hollywood film about vampires. But in fact such a set is no props and no accessory for Halloween, but it's quite the real thing of the life of our ancestors.

13 Terrible Things of the Past, You Weren’t Even Aware About the Appointment of Which!

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