Ingrid Savage February 21, 2021 Map
MapSignal application offers; zooming in entails one or a combination of: Real-time map messaging service (MapSignal) by a more detailed about Human generated signals (SingleG/GPassenger) (available/unavailable icons) enlarging the same map or enlarging the pixels, hence showing more detail by removing less information compared to the less detailed version enlarging the same map with the pixels enlarged (replaced by rectangles of pixels); no additional detail is shown, but, depending on the quality of ones vision, possibly more detail can be seen; if a computer display does not show adjacent pixels really separate, but overlapping instead (this does not apply for an LCD, but may apply for a cathode ray tube & Mobile Applications such as Cell phone, PDA, Smart Phone), then replacing a pixel by a rectangle of pixels does show more detail.
Geographic maps are abstract representations of the world. It is, of course, this abstraction that makes them useful. Lewis Carroll made this point humorously in Sylvie and Bruno with his mention of a fictional map that had "the scale of a mile to the mile". A character notes some practical difficulties with this map and states that "we now use the country itself, as its own map, and I assure you it does nearly as well". This concept is elaborated in a one-paragraph story by Jorge Luis Borges, generally known in English as "On Exactitude in Science". Road maps are perhaps the most widely used maps today, and form a subset of navigational maps, which also include aeronautical and nautical charts, railroad network maps, and hiking and bicycling maps. In terms of quantity, the largest number of drawn map sheets is probably made up by local surveys, carried out by municipalities, utilities, tax assessors, emergency services providers, and other local agencies. Many national surveying projects have been carried out by the military, such as the British Ordnance Survey (now a civilian government agency internationally renowned for its comprehensively detailed work).
The key is knowledge, so you will need to learn as much as you can about the individual maps you are hunting for. I suggest you choose a subject of cartography or a historical period you may interested in learning about. Consider maps made during the American civil war, maps of the Republic of Texas, maps of Scotland if you are of Scottish ancestry or maps of Rome if you went there on honeymoon. For example, your adoptive child is from China then you can concentrate on maps of China. The options are limitless. The idea is that within each field there will be a few fairly rare and desirable maps that can fetch some good money when sold at auction. When you have become acquainted with the current sale price of your selection of maps you will need to consider condition and editions. By this I mean a specific edition, of a specific year for a map in good condition with no tears, water stains, major repairs and has good color. By the time you have done the things described above you will have a fair amount of knowledge about the world of antique maps. You will now be starting your hunt. In your hunt you should go to all the consignment shops and thrift stores in your area. Visit antique stores and old book stores and ask to see if they have old maps. By doing this you will get to handle antique maps and get a feel for them.
The monetary value of many antiques is based on what a prospective buyer is willing to pay for them, so the value of antique maps will vary. There are plenty of people who are willing to pay high prices for old maps, so their potential value is very high, depending upon their condition, the year in which they were produced, and many other factors. There are old maps that are worth two hundred dollars each and old maps that are worth thousands of dollars each. Small details can make all the difference. Finding Antique Maps Many of the best antique maps are part of historical and private collections. Maps are not the most durable antique items in the world, so there are only so many antique maps available today. The further back anyone goes historically, the harder it will be to find old maps from that time period. One of the reasons that old maps are so valuable in the first place is the fact that they are so rare and so fragile. They are tiny pieces of history that can be easily lost and can easily fade with time.
Mapping is an art and science. Art because it represents our piece of earth in an artistic way. And science because the representation has to meet exacting standards. Say for a map on a million scale, things lesser than a few hundred meters will be just points. So many small lakes may just disappear on a million map and similarly many small roads will just not show up. Just try zooming in and out on Google Maps to see how it behaves. You want to see some maps just go over to www.mapsandlocations.com. It describes different types of maps. You can also ask for an editable PDF or Illustrator map from the site administrator to experiment with. And how would you edit the PDF or Illustrator map, well just download fully functional Illustrator CS3 from Adobe Website. You can also use Macromedia Freehand for editing vector maps.
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