Observation Towers

Observation Towers (HM1NYE)

Location: Pennsville Township, NJ 08070 Salem County
Country: United States of America

N 39° 36.257', W 75° 33.027'

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Inscription

Fort Mott State Park

Fifty-two feet above the ground, soldiers in this observational tower were able to identify an enemy vessel, calculate its speed and distance, note weather conditions and communicate this information to the main plotting room and the ten-inch guns at Battery Harker. Soldiers at the gun batterys used this information to compensate for weather, set the firing range and direction and potentially fire at an unsuspecting vessel.
This tower was completed in 1903. It has two levels: an observation room and meteorological station on the glass-topped upper level, and a target plotting room below, from critical data would be relayed to soldiers aiming the big guns.
Vibration Dampening Device
When the big guns were fired, vibrations similar to a small earthquake affected the delicate instrumentation contained with the observation towers. Soldiers had to continuously adjust their instruments to make accurate readings.
To solve this problem Army engineers designed a concrete-filled tube below the tower and attached it between the instrument platform and the ground. The tube was then encased in a steel jacket. It served as a basic vibration-dampening device to protect the instruments and a means of insulating power and phone wiring as well.
(Inscription under the image in the lower left) Fort Mott Range Finder. This two-story observation tower helped soldiers detect enemy vessels traveling on the Delaware River and relay their course to the gun crews.
(Inscription under the image in the lower right) If you look across the moat toward the river, you will see the second tower. This fifty-five foot high tower has a single observation level for taking accurate sights on enemy targets. Its primary function was to obtain target information for the twelve-inch guns of Battery Arnold.
Details
HM NumberHM1NYE
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Marker ConditionNo reports yet
Date Added Tuesday, September 15th, 2015 at 9:05am PDT -07:00
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Locationbig map
UTM (WGS84 Datum)18S E 452743 N 4383982
Decimal Degrees39.60428333, -75.55045000
Degrees and Decimal MinutesN 39° 36.257', W 75° 33.027'
Degrees, Minutes and Seconds39° 36' 15.42" N, 75° 33' 1.62" W
Driving DirectionsGoogle Maps
Area Code(s)609, 856
Closest Postal AddressAt or near 454 Fort Mott Rd, Pennsville Township NJ 08070, US
Alternative Maps Google Maps, MapQuest, Bing Maps, Yahoo Maps, MSR Maps, OpenCycleMap, MyTopo Maps, OpenStreetMap

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Nearby Markersshow on map
The Moat and the Parados
0 miles
Battery Harker
0.06 miles
Battery Gregg
0.06 miles
Welcome (to Fort Mott)
0.08 miles
The Wharf
0.1 miles
Two Batteries in one
0.12 miles
The Latrines
0.12 miles
Pea Patch Island
0.13 miles
Battery Arnold
0.14 miles
Generator Room
0.16 miles
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