200 Kč Josef Božek předvedl parovůz b.k.
SPECIFIKACE
průměr: 31 mm
hmotnost: 13 g
ryzost: 925/1000 Ag 75/1000 Cu
hrana proof: hladká, s vlysem ““ČESKÁ NÁRODNÍ BANKA * Ag 0,925 * 13 g *““
hrana b.k.: vroubkovaná
limitní náklad: 50.000 ks
limit provedení proof: 10 600 ks
limit provedení b.k.: 5 500 ks
emise: 19.9.2015
200 Kč Josef Božek předvedl parovůz unc.
weight: 13 g
purity: 925/1000 Ag 75/1000 Cu
edge proof: plain, with frieze ““ČESKÁ NÁRODNÍ BANKA * Ag 0,925 * 13 g *““
edge unc.: knurled
limited mintagení mintage: 50.000 pcs
limited mintage quality proof: 10 600 pcs
limited mintage of unc. quality: 5 500 pcs
issue day: 19.9.2015
Objednávkový kód: KSCR212
Josef Boek (28. 2. 1782 - 21. 10. 1835) - Czech designer and watchmaker. The creator of the first steam ship and parovozu in & nbsp; the Czech lands.
Josef Boek was born in & nbsp; miller family in Czech Silesian Bierce in & nbsp; modern Poland. The machinery and technology seemed keen interest for longer school years. V & nbsp; when he studied at the gymnasium in & nbsp; Cieszyn, his Talent spotted prefect Leopold Jan Szersznik and began a promising student support. It is this Boek patrons could commence studies mathematics and mechanics with Professor Andr in & nbsp; Brno. V & nbsp; 1804 issued walk to Prague. S & nbsp; eight pennies, and a letter of model machines punching cloth. After a brief study at the Faculty of Philosophy at which At the same time, he worked as a tutor children in & nbsp; the family of Count Clam-Martinice, the finally returned to & nbsp; technology. But the new found Estates Polytechnic Institute, who directed Franz Josef Gerstner. However Boek did not start as a student, but as a mechanic, since his study lacked money. V & nbsp; that time, many of his notable structures: from watches themselves stretched a hand motion through various astronomical devices to the prosthesis upper and lower limbs.
The Polytechnic also came first contact s & nbsp; the steam engine, the assembly of & nbsp; the parts imported from & nbsp; England it Gerstner commissioned.
& nbsp; an event that is written in Czech history occurred & nbsp; September 1815. The exact date of the first drive Bokova steam car is speculation, most states on September 24. It is certain that the twenty-eighth same month Boek ride with great public interest repeated. Money which earned performing vehicle, has invested in the realization of his next dream: boat powered by steam. Public debut unfortunately ruined by a sudden storm especially theft coffers with & nbsp; the selected input. This incident allegedly Boka so disgusted that experiments with & nbsp; steam engines in & nbsp; transport ended.
His exceptional skills but & nbsp; successfully applied elsewhere. Sestrojoval eg pumps for pumping units, also suggested rail cars for horse-way of & nbsp; the Czech Budejovice Austrian Lince.
However excelled primarily as a precision watchmaker. He constructed a large tower clock mechanisms, even the interior clock smallest portable watch. His specialty, however, were remarkably accurate chronometers and astronomical clock. These include a pendulum clock, which Prague observatory built for clementines and who served until 1984.
The work of Josef Bozek successfully followed his two sons. Francis, who, after his father took the place of mechanics Prague polytechnics and younger Romuald. He participated in things such as rebuilding Prague Astronomical Clock in & nbsp; year 1864th