Hello gents.
What interesting and conflicting data - needs significant tracking Jack to be able to paint the correct JB picture.
I have included info below which should add to the challenge for you. Take note of the Q'ld registration of John Boundy Industries Pty. Ltd, 1957.

Also attached is an extract from the Victorian Gov Gazette (Companies Act 1961). Under said act, but enacted in 1973, is the list of companies dissolved on July 10, 1973, of which John Boundy Industries is included.
I have also included an extract from The Age, April 2, 1957 referring to the Lawn Patrol golf tournament and the Plan number for a proposed new JB factory (1956).

Regards,
Steve

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Plan 2761 File Red 1245 File Black 3716 John Boundy Industries Proprietary Limited Lot 170 Cambro Rd North Clayton New Factory
1956 -

Plan 2889 File Red 1244 File Black 3843 John Boundy Industries Proprietary Limited Dandenong Rd Clayton New Factory
1957 -
Series title: Factory Plans Standards
Description: Plan 2761 File Red 1245 File Black 3716
John Boundy Industries Proprietary Limited Lot 170 Cambro Rd North Clayton
New Factory
Date range: 1956 -
Public access: Open
Format: Physical
Location: North Melbourne
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This Item is part of
Series number: VPRS 10150

Consignment number: P0000

Unit number: 38
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Q�ld registration of John Boundy Industries Pty Ltd (1957)
John Black Proprietary Limited 24/05/1920 64 1920
John Blaine & Sons Ltd 18/09/1912 265 1 1912 Townsville
[b]John Boundy Industries Proprietary Limited 28/02/1957 67 1957[/b]
John Brazier Pty Ltd 29/06/1956 300 1956
John Bridge and Company Limited 17/10/1911 138 1911
John Bright Gold Mining Company Ltd 25/07/1881 11 2
John
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The Age April 2, 1957 The Lawn Patrol Tournament
John Boundy agrees to surrender his tournament Oct 30 date to Ampol. The Lawn Patrol tournament will still go on at Croydon Golf Club before the Open Championship.