Remotely controlled spray gun

A remotely controlled spray gun is described in which a nozzle and orifice plate are held in precise axial alignment by an alignment member, which in turn is held in alignment with the general outlet of the spray gun by insert. By this arrangement, the precise repeatability of spray patterns is insured

Elizabeth and William Cunningham of Scotland to William Young, Esq. of Port Gibson (Miss.).

https://egrove.olemiss.edu/evans/1003/thumbnail.jp