|
US1677513A
|
|
Apparatus for beating gold leaf or sheeds of other metal and sucr like
|
|
GB235494A
|
|
Apparatus for beating gold leaf and such like
|
|
GB207313A
|
|
Improvements in or connected with mechanical hammers
|
|
GB171437A
|
|
Improvements in screwing machines
|
|
GB176648A
|
|
An improved hack saw
|
|
GB168171A
|
|
Improvements in and connected with band saws
|
|
US1349939A
|
|
Mechanical or power-actuated hammer
|
|
US1327901A
|
|
Machine or apparatus for breaking up or pulverizing caustic soda and the like
|
