mia2151 mia2151
  • 08-01-2022
  • History
contestada

how long was the development process of the machine for crushing stone

Respuesta :

kalenswiatek kalenswiatek
  • 08-01-2022

Answer:

Well based on the fact that the very first patented rock crushing machine was made in the year 1830, and the first successful, Eli Whitney Blake's, was in 1858, I'd say the development process was around 30 years.

Answer Link

Otras preguntas

what happened at Waco, Texas? and why did it happen?
Enter all values in simplest form.−2/3⋅(7+2)+11−2/3⋅ 9 + 11? + 11 = ?
Describe good characteristics of an open Ocean.
FAST -5 x (-49) a) -61 b) 18
The attachment below is the question:
What temperature should a bimetal stemmed or digital thermometer be calibrated to when using the ice water bath method? 0 °F 32 °F 41 °F 45 °F
Which equation could be used to find the measure of ZB? X*3= 180 Ox?=180 0 32= 180 OX= 180
Which of the following sentence fragments is missing
Write and solve an equation to find the value of x. The angles are supplementary. x 50°
need some more help!! I have a few more coming too ​