These also became popular during World War II for clandestine military operations, and post-war for scientific, search and rescue, media diving, recreational and technical diving. An alternative approach was the development of the single atmosphere or armoured suit, which isolates the diver from the pressure at depth, at the cost of great mechanical complexity and limited dexterity.
However, some linkage between the 11-year sunspot cycle and the Earth’s climate has been claimed. For example, the Maunder minimum, a 70-year period almost devoid of sunspots, allegedly correlated to a cooler climate.
Saddle River Township was split in 1771, with the area containing Wyckoff becoming Franklin Township. By 1755, about 100 families lived in the Franklin Township area, of which no more than 20 were in what is now Wyckoff.
There were 3,294 households out of which 37.9% had children under the age of 18 living with them, 51.3% were married couples living together, 14.1% had a female householder with no husband present, and 29.4% were non-families. 23.6% of all households were made up of individuals and 8.3% had someone living alone who was 65 years of age or older.
The area that would become Ruby was first surveyed in 1852 by two crews working for the U.S. government. From September into October a crew marked all the section corners in the northern of the township, walking through the woods and slogging through the swamps on foot, measuring with chain and compass.
The racial makeup of the town was 98.95% White, 0.12% Asian, 0.23% from other races, and 0.70% from two or more races. Hispanic or Latino of any race were 1.05% of the population. Waterville had the highest percentage of people reporting Austrian ancestry in 2000 with 12.1% of its population.