Name | Issues/Designs | |||
clock | — | — | d (6) - clock 1450-1550 1970, clock 1600-1650 1970, clock 1720-1760 1970, ... | |
diesel engine | — | — | d - diesel engine cross section 1979 | |
Koenig letterpress rapid press with steam propulsion | — | — | d - Koenig le..ropulsion 1979 | |
sewing machine | — | — | d - sewing machine 2014 | |
typewriter | — | — | d (2) - typewriter & Peter Mitterhofer 2017, typewriter with letter 1965 |