These are 'And Not' and 'Or Not' gates. With the or gates either switch 1 or 2 have to be live in order for the lightbulb to be on however once it passes through the not gate the outcome is the opposite to what was the input. With the and gates both switches have to be on in order for the lightbulb to be on however once it passes through the not gate the output is the opposite to what was the input.
Your Truth Tables are missing from these images Louie, please add them. It will also help if you at titles to your images, when you review this work at a later date (e.g. exam prep!!)
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