DEMONE

Demone Manufacturing Corp. Oaklawn, Illinois. USA

sn# D136

HEINKE

Heinke Merlin

Made in London England

sh# 6 63 861

MISTRAL

La Spirotechinque

Cousteau Gagan

114 Rue Marius Aufan Levallois (92)

Made in France

sn# 39566

NORTHHILL AIR-LUNG

Northhill Company, Inc.

Los Angeles, Calf. USA

subsidiary of the Garrett corporation

sn# 6 p2192

ROYAL MISTRAL

La Spirotechnique 

Brever Cousteau Gagnan

sn#930831

MERLIN MK. VI

Siebe Gorman

sn# 5 70 3919

MISTRAL

Siebe Gorman

sn# 4272

AQUALUNG AQUA MASTER

U S Divers

sn#155378

THE VIKING REGULATOR

Norwalk Connecticut

sn# p-2618