Same meaning?
He took cylinders for the Edison company before coming to the US , and these were marketed to the German-speaking population in the United States .
He recorded cylinders for the Edison company before coming to the United States , and these were marketed in the U.S. to the German-speaking population .

Answer: yes

Same meaning?
The Initial H Block ( formerly Isolation Ward ) was designed by Leighton Irwin in conjunction with the first major works on the relocated hospital area .
The Initial H Block ( former Isolation Ward ) was designed by Leighton Irwin , in conjunction with the first major works on the relocated hospital site .

Answer: yes

Same meaning?
However , discoveries of earth-like planets are important because they indicate the probable frequency and distribution of earth-sized terrestrial planets .
However discoveries of Earth-like planets are important as they may indicate the probable frequency and distribution of Earth-sized terrestrial planets .

Answer: yes

Same meaning?
In 1883 , the first schools in the area were built for 400 black students and 60 white students .
In 1883 the first schools in the area were built for 400 white and 60 black students .

Answer:
no