Like for a gun, you could say a gat but that's quite an old term. Most young people now would say stralley, a tool or a bucky.
noun
1
Alternative form of Bucky (“a Potter-Bucky diaphragm”).
There are two major types of bucky assemblies: reciprocating and recipromatic. The difference is that the reciprocating bucky moves at two different speeds during the exposure […]
name
1
A surname
Thesaurus
Synonyms
Antonyms
Idioms & Phrases
Example Bank
3
01
Like for a gun, you could say a gat but that's quite an old term. Most young people now would say stralley, a tool or a bucky.
Wiktionary
02
There are two major types of bucky assemblies: reciprocating and recipromatic. The difference is that the reciprocating bucky moves at two different speeds during the exposure […]
Wiktionary
03
The recipromatic Bucky differs from the manually cocked Bucky in that the grid travels in both directions across the table during the exposure.
Wiktionary
Usage Notes
i Register
In some senses, bucky is marked as slang, informal, British. Watch for register when choosing this word.