Physical description
Blue cylinder shape gas bottle. 'Companion' brand - Sievert. Frosted glass with beige painted top. Chrome carry handles. 2 knobs on feeder pipe. Gas bottle has writing : Type 3967 TP 480 lbs PSI C 169107 5 68. Water cap 5lbs 5oz. Tare weight 4 lbs 9oz. Made in Aust. AS no B115-240
Inscriptions & markings
Jenner Simplex Glass Schott & Gen, Mainz, made in Germany on frosted glass.