Original vintage optical industry trade magazine ad for L.E. KNOTT APPARATUS COMPANY of Cambridge, MA. Precision Method of Recording Plant Growth with No. 3563 Bovie Precision Auxanometer. A device which is carried upward as the plant grows. Also pictured is a Clock Recording Kymograph. Old 1922 optical laboratory industry advertisement.
l e knott apparatus company 1922 precision auxanometer vintage ad
- Product Code: s242
- Length: 9 inches
- Width: 6 inches
- Pages: 1
- Views: 29
- Availability: In Stock
- $20.00
$15.00
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Original vintage optical industry trade magazine ad for L.E...
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