Aero Syndicate
1935 Acquired Hendy Aircraft and Nash and Thompson and sold the patents, assets, etc concerned with aircraft design and manufacture to Parnall Aircraft Ltd[1].
1936 Aeronautical and General Instruments became a public company to acquire the goodwill, works, designs, and all other assets (except as mentioned in an agreement with Aero Syndicate Ltd) of the business of makers of instruments (other than wireless receiving sets and parts for home use) carried on by Radio Instruments Ltd, of Purley Way, Croydon, etc. [2]