In 1918 he purchased a Thornton-Pickard Westminster quarter plate camera, and set about documenting his life both around Melbourne and on the Mornington Peninsula.
During his career as a banker based in the city of Melbourne he spent his weekends pursuing photography, often accompanied by his young son.
He also photographed the workaday streets of Melbourne, spending his lunch hour capturing the energy of the young and growing city.
Twycross practiced photography with a sense of purpose that alluded to intentions of capturing a rapidly changing period in time.
[25] At McCrae Homestead, a National Trust Property, a permanent exhibit "Visions of Port Phillip" displays his work.