Cheryl Wynn February 22, 2021 Map
3. Hold the map up to the light to look at the paper. Most maps made before the 1820s were made on hand-made paper. This paper was made by artisans who used a wire mesh to hold up the paper pulp. This wire mesh leaves a visible grid called "chain links" that are visible against a strong light source. Paper makers often had a watermark to identify themselves that is sometimes visible on bigger maps. If you dont have chain links on a map dated from the 1820s or earlier, then you have a map reproduction. 4. The majority of antique maps were taken out of old atlases, because of this there is often a fold in the middle of a map. This fold is where the map was bound in the book. Also atlas maps are worn from use at the corners, especially the right hand top or bottom corners. This is where most people would flip the pages. If your map doesnt have a center fold or looks too new, then it probably is.
Many but not all maps are drawn to a scale, allowing the reader to infer the actual sizes of, and distances between, depicted objects. A larger scale shows more detail, thus requiring a larger map to show the same area. For example, maps designed for the hiker are often scaled at the ratio 1:24,000, meaning that 1 of any unit of measurement on the map corresponds to 24,000 of that same unit in reality; while maps designed for the motorist are often scaled at 1:250,000. Maps which use some quality other than physical area to determine relative size are called cartograms. A famous example of a map without scale is the London Underground map, which best fulfils its purpose by being less physically accurate and more visually communicative to the hurried glance of the commuter. This is not a cartogram (since there is no consistent measure of distance) but a topological map that also depicts approximate bearings. The simple maps shown on some directional road signs are further examples of this kind.
Electronic maps, From the last quarter of the 20th century, the indispensable tool of the cartographer has been the computer. Much of cartography, especially at the data-gathering survey level, has been subsumed by Geographic Information Systems (GIS). The functionality of maps has been greatly advanced by technology simplifying the superimposition of spatially located variables onto existing geographical maps. Interactive, computerised maps are commercially available, allowing users to zoom in or zoom out (respectively meaning to increase or decrease the scale), sometimes by replacing one map with another of different scale, centred where possible on the same point. Mobility satellite navigation systems are computerised maps with route-planning and advice facilities which monitor the users position with the help of satellites.
Conformal projection: These projections maintain angular relationships and show accurate shapes while covering small areas. Such maps are useful for navigational or meteorological purposes where angular relationships are important. Equidistant projection: Maps that maintain accurate distances along given lines or from the center of the projection are based on this principle of equidistant projection. Such maps are used for navigation and for radio and seismic mapping. The Equirectangular projection and the Equidistant Conic projection are two examples of this category. Azimuthal (or zenithal) projection: A projection that maintains accurate angular relationships and directions from a given central point use this projection. Maps for aeronautical purposes use this principle. The Lambert Azimuthal Equal-Area projection and the Gnomonic projection are examples of how azimuthal projection is used for map making.
Plat Maps A plat map is a plan of an area which shows the legal boundaries and dimensions of each parcel of land. These maps can usually be found at your local city or county government center. Check for the property owners of your parcel of land on each of the plat maps you locate. Street Maps These maps can help identify when the street you are researching was created. It is not uncommon to find that the street name has changed over time. Check with your local municipality for the existence of old street maps. Many city directories actually contain a street map that provides details on the streets covered by the directory. Comparing these maps with current maps can help to pinpoint street names that have been changed. Libraries typically have copies of city directories at their facilities.
The second thing selecting the best travel maps is to know the mean of transport you are going to use in case you are on an intercity trip or visiting many countries. Once youve got this information planned, it is the time to take the decision according to it. If you are planning to visit a single city, the best you can do is to get nothing at all. Im not speaking about going there with no information but what I really mean is that any city has very good maps you can take for free in any tourism office, hotel or simply at the airport or the railway station where you arrive. These maps are already thought for you, youll see the main streets, touristic attractions, etc. Instead, it is indeed important to look for the best travel maps if you are going to run across many cities.