In 1923 , a research laboratory for improving light sources , mainly light bulbs , was established at Tungsram Ltd..
In 1923 at Tungsram Ltd. , a research laboratory was established for improving light sources , mainly electric bulbs .

Are these two sentences paraphrases of each other?
yes

The remaining line from Monte Rio to Point Reyes Station was dismantled in 1930 .
The remaining route from Station Point Reyes to Monte Rio was dismantled in 1930 .

Are these two sentences paraphrases of each other?
no

Surrounding suburbs are ( from north to south ) : Balgownie , West Wollongong , Mount Ousley , Mount Pleasant , Keiraville , Figtree and Mount Kembla .
Surrounding suburbs ( from the north to the south ) are Balgownie , Mount Pleasant , Mount Ousley , Keiraville , West Wollongong , Figtree and Mount Kembla .

Are these two sentences paraphrases of each other?
yes

The character of Michel Ardan , the French member of the party in the novel , was inspired by realistic photographer Felix Nadar .
The character of Michel Ardan , the real member of the party in the novel , was inspired by the French-life photographer Felix Nadar .

Are these two sentences paraphrases of each other?
no