How can I measure leaf thickness in a non-destructive way?

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C.P. Rahangdale Popular answer

SG-1000 leaf sensor

For Specifications and how to use, have a look this useful link-http://www.agrihouse.com/secure/shop/item.aspx?itemid=164

Arvind Singh

Please check the below given link and PDF attachment.

https://www.researchgate.net/post/What_is_an_instrument_for_measuring_leaf_thickness_via_a_non-destructive_measure

Drlatief Ahmad

Digital micrometer

Muhammad Ahmed Waqas

What is Lt, how and when to collect?

http://www.nucleodiversus.org/uploads/file/Caracteres%20handbook/Leaf%20thickness.pdf

Andrew Paul McKenzie Pegman

Yes, a digital micrometer :)

C.P. Rahangdale

Maria Lucia Leporatti

Micrometro digitale, inserendo la foglia fra due frammenti di midollo di sambuco (Sambucus nigra) che comprimono senza danneggiare i tessuti