Timer
Description
A small sand timer with a short thin cylindrical frame which contains a clear glass tube pinched in middle. The tube contains red powder that takes twenty seconds to fall from one end of tube to other.
See full details
Object detail
Credit line
It
is
thought
this
timer
was
used
when
blood
letting
was
being
administered.
Accession number
A71.136
Collection type
Public comments
Be the first to comment on this object record.