This is the period covered from the foundation of the band until their record contract with Neptune Productions was made effective. It's very hard to document as they were still a band of rags and there are very few surviving photos to which the public has access via internet, magazines or books. Out of those few, even fewer have their instruments in enough detail to realise their brand, model or amplification.
Percussion
Drum kit [educated guess]
Roger's mics
Bass guitars
