Self-loading gun with a forward sliding barrel and a gas piston attached to it
GB636975A
Improvements in or relating to speed change devices
US2505469A
Camera for taking ultra-fast moving pictures
US2466411A
Apparatus for taking cinematographic pictures on continuously fed film
GB630912A
Improvements in apparatus for the taking of ultra rapid cinematograph pictures
GB626759A
Improvements in apparatus for taking cinematographic pictures on continuously fed film
GB630899A
Improvements in or relating to change speed gears
GB635550A
Improvements in vehicles carrying a single steering wheel (such as bicycles, motorcycles, and the like) and transmission gears and connections therefor
