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by Science Source
$54.00
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Product Details
You'll never run out of power again! If the battery on your smartphone or tablet is running low... no problem. Just plug your device into the USB port on the top of this portable battery charger, and then continue to use your device while it gets recharged.
With a recharge capacity of 5200 mAh, this charger will give you 1.5 full recharges of your smartphone or recharge your tablet to 50% capacity.
When the battery charger runs out of power, just plug it into the wall using the supplied cable (included), and it will recharge itself for your next use.
Design Details
Joseph Ludwig Franz Ressel (June 29, 1793 - October 9, 1857) was an Austrian-Czech forester and inventor who designed one of the first working ship's... more
Dimensions
1.80" W x 3.875" H x 0.90" D
Ships Within
1 - 2 business days
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Sticker
Joseph Ludwig Franz Ressel (June 29, 1793 - October 9, 1857) was an Austrian-Czech forester and inventor who designed one of the first working ship's propellers. He worked for the Austrian government as a forester to secure a supply of quality wood for the Navy. He began testing his ship propellers for the first time. He was awarded a propeller patent in 1827. In 1829 he modified a steam-powered boat and test drove it in the Trieste harbor at six knots before the steam conduits exploded. The police banned further testing. The explosion was not caused by the tested propeller as many believed at the time. Among other his inventions are pneumatic post and ball and cylinder bearings. He was granted numerous patents during his life. He died in 1857 at the age of 64. A monument to him in a park in Vienna commemorates him as "the one and only inventor of the screw propeller and steam shipping".
$54.00
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