Paper tear strength measuring apparatus
Paper tear strength measuring apparatus by Renold Marx, Late Marx & Mallett, London, Brit. Pat. 162191
- Object Number:
- 1990-592/1
- type:
- measuring apparatus
- Image ©
- The Board of Trustees of the Science Museum
Paper tear strength tester
Paper tear strength tester.
Details
Parts
Small wooden hand guillotine
Small wooden hand guillotine with stops set to produce test pieces for pt.1
- Materials:
- wood
- Object Number:
- 1990-592/2
- type:
- guillotine
- Image ©
- The Board of Trustees of the Science Museum
