hello,
I am currently in the process of creating a display with a bunch of vintage diving equipment and I need some help identifying the years that the following regulators were made. I have serial numbers for the regs that DO NOT have them in the photos. Thank you for the help!
Serial # unknown
Serial # 4909
Serial # unknown
Serial # 3990
Serial # 215448
I am currently in the process of creating a display with a bunch of vintage diving equipment and I need some help identifying the years that the following regulators were made. I have serial numbers for the regs that DO NOT have them in the photos. Thank you for the help!
Serial # unknown
Serial # 4909
Serial # unknown
Serial # 3990
Serial # 215448