In this video we take a look at an original 1970s brochure for an Oerlikon 20mm cannon! Be sure to check out our accompanying article for this video here - https://armourersbench.com/2021/06/09/so-you-want-to-buy-an-oerlikon/ If you enjoy our work please consider supporting us via Patreon, TAB is a viewer supported channel and any help is very much appreciated! We have some great new perks, check out our Patreon page here: https://www.patreon.com/thearmourersbench You can also now support us with one-time donations via https://ko-fi.com/armourersbench Ever wished all the best gun history content creators were gathered in one place? Check out - https://surplused.com - we're on there! Where to find TAB: https://armourersbench.com https://facebook.com/armourersbench https://ko-fi.com/armourersbench https://www.patreon.com/thearmourersbench https://www.instagram.com/armourersbench https://utreon.com/c/Armourers-Bench https://imgur.com/user/ArmourersBench https://discord.gg/DAjRSBc