Catalogus
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| Uitgever | Isle of Man Treasury |
|---|---|
| Jaar | 1995 |
| Type | Log in om details te zien |
| Waarde | Log in om details te zien |
| Valuta | Log in om details te zien |
| Samenstelling | Log in om details te zien |
| Gewicht | Log in om details te zien |
| Diameter | Log in om details te zien |
| Dikte | Log in om details te zien |
| Vorm | Log in om details te zien |
| Techniek | Proof |
| Oriëntatie | Log in om details te zien |
| Graveur(s) | Log in om details te zien |
| In omloop tot | Log in om details te zien |
| Referentie(s) | Log in om details te zien |
| Beschrijving voorzijde | Log in om details te zien |
|---|---|
| Schrift voorzijde | Latin |
| Opschrift voorzijde | Log in om details te zien |
| Beschrijving keerzijde | Central composition featuring a schematic diagram of Babbage's analytical engine rendered in fine relief, illustrating the architecture of the first computer with labeled components: a central processor at the middle, flanked by circular nodes inscribed INPUT DEVICE to the left and OUTPUT DEVICE to the right, and a MEMORY section below, all interconnected by mechanical linkages. Above the diagram, within a circular frame, appears a draped bust portrait of Charles Babbage facing slightly left. To the right of the portrait the inscriptions CHARLES BABBAGE and 1792-1871 are engraved in the field. The date 1823 and FIRST COMPUTER appear in the lower portion of the diagram, with the denomination 1 CROWN at the very bottom of the coin. The curved legend INVENTIONS OF THE MODERN WORLD runs along the left and upper periphery within a plain border. |
| Schrift keerzijde | Log in om details te zien |
| Opschrift keerzijde | Log in om details te zien |
| Rand | Log in om details te zien |
| Muntplaats | Log in om details te zien |
| Oplage | 1995 PM - Proof - 30,000 |
| Aanvullende informatie | Log in om details te zien |