AEI Lamps and Lighting Ltd
AEI Mazda 400w MA/V lamp
AEI Mazda 125w MB/U Lamp
AEI Mazda 400 watt MB/U Mercury Lamp
Atlas (BLI/Thorn Lighting) Ltd
Atlas 250 watt MB/U Mercury Lamp
Atlas 400 watt MB/U Mercury Lamp
Atlas 125w MBF/U Lamp
Atlas 400w MBF/U Lamp
Atlas 240/250v 160 watt MBTL/U Mercury Tungsten Lamp
B.T.H (British Thompson Houston) Ltd
BTH Mazda 400w MA/V Lamp
Crompton Lighting Ltd
Crompton 250w MA/V Lamp
Crompton 400w MA/V Lamp
Crompton 80w MB/U Lamp with 3 pin BC cap
Crompton 80w MB/U Lamp 3 pin BC cap Close Up
Crompton 80w MBF/U Lamp with 3 pin BC cap
Crompton 125w MBF/U Lamp with ES cap
Cryselco Lighting Ltd
Cryselco 250w MBF/U Lamp
Edison Lighting Ltd
Edison 80w MBF/U Mercury Fluorescent Lamp
Edison 400w MBF/U Mercury Fluorescent Lamp
Electofar Lamps
Electrofar 125w MBF/U Lamp from Romania
GE Lighting Ltd
European GE Kolorlux 50w H50/27 (MBF/U) Lamp
European GE Kolorlux H50/27 50 watt (MBF/U) Lamp
European GE Kolorlux 80w H80/B22 (MBF/U) Lamp with 3-Pin BC cap
European GE Kolarlux 80w H80/B22 (MBF/U) Lamp with 3-Pin BC cap
European GE Kolorlux 80w H80/27 (MBF/U) Lamp with ES Cap
European GE Kolorlux 125w H125/B22 (MBF/U) Lamp with 3-pin BC Cap
UK GE 125w H125/27 (MBF/U) Lamp with ES Cap
European GE Kolorlux 125w H125/27 (MBF/U) Lamp with ES Cap
European GE Kolorlux 250w H125/40 (MBF/U) Lamp
European GE Kolorlux 400w H400/40 (MBF/U) Lamp
European GE 250w Mixed Light Self Ballasing Mercury Lamp
IRIS Lighting (France)
IRIS 80 watt MAF (GEC-Truelite 80w MBF/U) Mercury Fluorescent Lamp
Note,
I was told Osram GEC Manufactured Mercury and other Discharge Lamps for IRIS Lighing in the 1970's which would explain this Lamp as the Date Code is HK or October 1976, Also Lamps were manufactured by Philips and Thorn Lighting for Iris Lighting
Luxten Lighting (Romania) LUXTEN 250w Super Q LVM High Pressure Mercury Lamp
Mazda (France)
Mazda (France) 250w MAF-R (MBFR/U) Mercury Reflector Lamp
Osram-GEC Ltd
Osram GEC 250w and BTH-Mazda 400w MA/V Lamps
Osram GEC 400w MA/V Mercury Lamp
Osram GEC 400w MB/U Lamp
Osram GEC Truelite 50w MBF/U Lamp
Osram GEC Truelite 125w MBF/U Lamps with 3-Pin BC, ES and GES caps
Osram GEC Truelite 125w MBF/U Lamp with 3-Pin BC cap
Osram GEC Toplite 125w MBFR/U Mercury Fluorescent Reflector Lamps
Later Osram GEC Truelite 125w MBFR/U Mercury Fluorescent Reflector Lamp
Osram GEC Truelite 250w MBF/U Lamp
Osram-GEC Truelite 1000w MBF/U Mercury Fluorescent Lamp
Osram GEC OSIRA ME/H Mercury Lamp
OSRAM GmbH Lamps Germany
Osram HQL (MBF/U) Mercury Lamp
Osram HQL-Superdeluxe (MBF/U-SDL) Mercury Lamp
Osram HQLB-Superdeluxe (MBF-B-SDL) Mercury Lamp
Osram 80w HQL (MBF/U) Mercury Lamp from Germany
Osram 80w HQL-(MBF/U) Mercury Lamp with ES Cap from China
Osram 80w HQL (MBF/U) Mercury Lamp from China
Osram 80w HQL-R Deluxe (MBFR/U Deluxe) Mercury Reflector Lamp
Osram 125w HQL-R (MBFR/U) Deluxe Mercury Reflector Lamp
Osram 125w HQL-R (MBFR/U) Deluxe Mercury Reflector Lamp
Note the box shows a lamp with a GES cap
Osram 250w HQL (MBF/U) Mercury Lamp from China
Osram 400w HQL (MBF/U) Mercury Lamps from China
Osram 400w HQLR (MBFR /U) Mercury Lamp
Osram 1000w HQL (MBF/U) Mercury Lamp from Germsny
Osram 1000w HQL (MBF/U) Mercury Lamp from the UK
Philips Lighting Ltd
Philips 250w HP/T (MB/U) Lamp
Philips 1000w HP/T (MB/U) Lamp
1980s Philips 50w HPL/N (MBF/U) Lamp
1990's Philips 50w HPL/N (MBF/U) Lamp
Modern Philips 80w HPL/N (MBF/U) Lamp
Philips 50w HPL/N-DL (MBF/U Deluxe) Lamp
Philips 80w HPL/N (MBF/U) Lamp
1970’s Philips 80w HPL-N Mercury Lamp with 3 pin BC cap
1990's Philips 80w HPL-N Mercury Lamp with 3-pin BC cap
Philips 80w HPL/N-DL (MBF/U Deluxe) Lamp
Philips 125w HPL/N (MBF/U) Lamp with 3 Pin BC Cap
Philips 125w HPL/N (MBF/U) Lamp with ES Cap
1980's Philips 125w HPL/N (MBF/U) Lamp with GES Cap
1990's Philips 125w HPL/N (MBF/U) Lamp with GES Cap
Philips 250w HPL/N (MBF/U) Mercury Lamp
Philips Powertone 250w HPL-N (MBF/U) Mercury Lamp
Philips Powerwhite 400 watt MBF/U Mercury Fluorescent Lamp
Philips 400w HPL/N (MBF/U) Lamp
Philips Powertone 250 watt HPLR (MBFR) Mercury Reflector Lamp
Philips 250 watt HPLR (MBFR) Mercury Reflector Lamp
Philips 400 watt HPLR (MBFR) Mercury Reflector Lamp
Philips 1000w watt HPLR (MBFR) Mercury Reflector Lamp
Philips 235/245v 160w ML (MBTF) Lamp with BC Cap
Philips 240v 100w ML (MBTF) Lamp with ES Cap
Philips 240v 160w ML (MBTF) Lamp with BC Cap
Philips 240v 160w ML (MBTF) Lamp with ES Cap
Later Philips 240v 160w ML (MBTF) Lamp with ES Cap
Philips 240/250w 250w ML (MBTF) Lamp from Brazil
Philips 240v 250w ML (MBTF) Lamp from China
Philips 500w Self Ballasting ML Mercury Lamp