Photostat vs Photostat machine

Photostat and Photostat machine both are nouns.

Word	Noun	Adjective	Verb	Adverb
Photostat	Yes	No	No	No
Photostat machine	Yes	No	No	No

As nouns, Photostat and Photostat machine are synonyms defined as:

Photostat and Photostat machine: a duplicating machine that makes quick positive or negative copies directly on the surface of prepared paper

Photostat (noun)	Photostat machine (noun)
a duplicating machine that makes quick positive or negative copies directly on the surface of prepared paper	a duplicating machine that makes quick positive or negative copies directly on the surface of prepared paper