Schioetz Tonomeer
Tonometer model D, specification 5 inclined scale in velvet-lined case calibrated
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Tonometer model D, specification 5 inclined scale in velvet-lined case calibrated
Tonometer model D, specification 5 straight scale, in velvet-lined case
Iris Scissors, fig. B
Iris Scissors, fig. C
Iris Scissors, fig. A