The plan of Wallenstein was of long standing, and it was only towards the end, when Schiller realized the impossibility of saying all he had to say within five acts, that he decided to divide it into three parts, a descriptive prologue, Wallensteins Lager, and the two dramas Die Piccolomini and Wallensteins Tod.
A legal parcelling (lager skifte) was introduced in 1827 and slowly carried out in the face of considerable local opposition; indeed, in the island of Gotland the system could not be enforced until 1870-1880.
It is also used for preparing shoemaker's wax, as a flux for soldering metals, for pitching lager beer casks, for rosining the bows of musical instruments and numerous minor purposes.
Here, too, are a plant (covering more than Boo acres) of the Standard Oil Company and a large establishment for the manufacture of the "Singer" sewing machine - according to the U.S. census the largest manufactory of sewing machines in the world - employing more than 6000 workmen in 1905; among the other manufactures of Elizabeth are foundry and machine shop products (value in 1905, $3,887,139), wire, oil (value in 1905, $2,387,656), refined and smelted copper, the output of railway repair shops, edge tools and lager beer.
For lager-beer cellars and fermenting rooms, for bacon-curing cellars, and for similar purposes, brick walls with single or double air spaces are used, and sometimes a space filled with silicate cotton or other insulating material.