The Flashlight

The Flashlight (HM2EDE)

Location: Erie, PA 16507 Erie County
Buy Pennsylvania State flags at!
Country: United States of America
Buy United States of America flags at!

N 42° 9.952', W 80° 6.838'

  • 0 check ins
  • 0 favorites

Presque Isle Lighthouse

In the early 19th Century the Great Lakes provided the single most important transportation system in the country. Throughout the lakes, mariners depended heavily on lighthouses to warn of hazards to navigation and to mark major land features.
A fourth order "Fresnel" (freh-nel) lens, designed by French physicist Augustin Fresnel, was mounted at the top of the tower. Encased in brass, a single oil lamp projected a warning beam visible at up to 13 nautical miles away. Because each light had a characteristic signal, mariners watched for two red and four white flashes, informing them that they were indeed seeing the Presque Isle light or "flashlight," as it was commonly known.
Responsibility for maintaining the light rests with the U.S. Coast Guard. Modern day shipboard electronics have greatly reduced the need for lighthouses, although they remain a significant geographic point of reference for small boats.
Throughout the Great Lakes early ship masters depended heavily on lighthouses as a fundamental aide to navigation. More than 100 lighthouses were scattered from Lake Superior east to the headwaters of the St. Lawrence.
The keeper was a slave to the light and had to climb the tower at least every 4 hours each night to check the oil supply, clean the lens, and reset the lens

rotating mechanism.
The lighthouse was electrified in the 1920's and today the light is cast by a 250 watt bulb inside a 300mm plastic lens. It displays a fixed white light on a three-second on, three-second off sequence. The "keeper" of today is an electronic light sensor.
Marker ConditionNo reports yet
Date Added Sunday, February 17th, 2019 at 1:01pm PST -08:00
Sorry, but we don't have a picture of this historical marker yet. If you have a picture, please share it with us. It's simple to do. 1) Become a member. 2) Adopt this historical marker listing. 3) Upload the picture.
Locationbig map
UTM (WGS84 Datum)17T E 573188 N 4668572
Decimal Degrees42.16586667, -80.11396667
Degrees and Decimal MinutesN 42° 9.952', W 80° 6.838'
Degrees, Minutes and Seconds42° 9' 57.12" N, 80° 6' 50.28" W
Driving DirectionsGoogle Maps
Area Code(s)814
Which side of the road?Marker is on the right when traveling West
Closest Postal AddressAt or near Peninsula Dr, Erie PA 16507, US
Alternative Maps Google Maps, MapQuest, Bing Maps, Yahoo Maps, MSR Maps, OpenCycleMap, MyTopo Maps, OpenStreetMap

Is this marker missing? Are the coordinates wrong? Do you have additional information that you would like to share with us? If so, check in.

Nearby Markersshow on map
Check Ins  check in   |    all

Have you seen this marker? If so, check in and tell us about it.

Comments 0 comments

Maintenance Issues
  1. Is this marker part of a series?
  2. What historical period does the marker represent?
  3. What historical place does the marker represent?
  4. What type of marker is it?
  5. What class is the marker?
  6. What style is the marker?
  7. Does the marker have a number?
  8. What year was the marker erected?
  9. Who or what organization placed the marker?
  10. This marker needs at least one picture.
  11. Can this marker be seen from the road?
  12. Is the marker in the median?