runout Side 1: UP 35381 A - 4
runout Side 2: UP 35381 B - 4 NIGZ
On labels, Doctor Technical is misprinted as "Doctor Technichal"
On Side Two & backcover Rockfield, Monmouth is misprinted as "Rochfield, Monmouth"
1.: 'Live' at the Roundhouse, February 13, 1972, overdubs and mix at Morgan Studios
- Silver Machine recorded live at a Greasy Truckers benefit gig at The Roundhouse, London on 13 February 1972 and this version was released on the Various Artists compilation album 'Revelations: A Musical Anthology for Glastonbury Fayre'; released April 1972 (Revelation / REV 1A-3F):
C4 Hawkwind - Silver Machine / Welcome to the Future 7:28
- single 'Silver Machine / Seven by Seven' released June 9, 1972 (United Artists / UP 35381):
A Silver Machine 4:35
B Seven by Seven 5:20
2.: (P) 1972 Original sound recordings made by Liberty United Records (UK).