The exact date of discovery is not known; but early records show it to have been preempted by a Dr Adams in 1812 for the manufacture of saltpetre, and his vats and hoppers are still to be seen.
The coal, previously elevated to hoppers, is dropped into the feeding chambers, which are so arranged that they can travel from end to end of the retorthouse and feed the coal into the retorts.
Guides are placed in front of the retort to direct its course to the coke hoppers or conveyer below, and to prevent scattering of the hot material.
Of the latter there are probably 12,000 to 15,000 species, including 140 butterflies, at least 180 grasshoppers, several hundred bees, &c. The so-called " grass hoppers," true locusts, have done great damage at times in Nebraska.
The material to be melted is introduced into the furnace from the hoppers HH through the charging holes in the roof.
bucket elevators move the " batch " into hoppers above the furnaces, from where the material is gravity fed into them.
The DP Series dryers can be combined with one or more drying hoppers, to form single or centralized systems.
This fact sheet includes the construction and use of bat boxes, hedgehog homes, red squirrel feeding hoppers and bumblebee homes.
Hundreds of small feed hoppers have been sited across the estate to ensure that the birds have access to wheat all year round.
Watch for capsid bugs, winter moth, leaf weevils, fruit tree red spider mite, apple leaf hoppers.
Featuring four unsigned Scottish Bands - Vera Cruz, Miss Jenny, Philly and hip hoppers Reach Out.
heated by gas, with regenerative checker work at each end, and fed with ore or concentrates, red-hot from the calciners, through a line of hoppers suspended above the roof.
These are the coarsest mills, in which all gossip is first rudely digested or cracked up before it is emptied into finer and more delicate hoppers within doors.
Find out exactly how much Disney World is charging for single theme park admission tickets as well as park hoppers.
More commonly known as simply "park hoppers", Disney World hopper passes are purchased like traditional Disney park tickets, but allow you to travel between multiple parks as often as you'd like during your vacation.
Disney park hoppers are a great way to spend time together as a family - take the time to research your options and purchase what works best for you.
Only buy park hoppers if you know you want to go to more than one park in a day.
Old school hip hop also thrives in urban environments, with new generations of young hip hoppers taking to the streets with these classic moves.
The word usage examples above have been gathered from various sources to reflect current and historial usage. They do not represent the opinions of YourDictionary.com.