JVC Nivico SpaceHelmet TV

I found this in a local antique shop, not for sale:

JVC Nivico (“Nippon Victor Company”) Model 3240 ‘SpaceHelmet’ TV. The sticker on top reads “Solid State”.

I love how the air (speaker?) vent on the rear is round. I thought the chain on the top was a homemade security device, but it is the handle: