[Letterhead] Charity Hospital
State of Louisiana
New Orleans
[Handwritten labels for schematic drawing]
Finger ring
Washer which fits over plunger and screws into ring cap thus fastening it into place
Spring Strip which increases plunger syringe friction by pressing on cap
screw cap
this brass tubing and offset pieces containing screw threads for cap and valve piston
slider to adjust outward motion of plunger
brass tubing to contain four windows to permit visibility of syringe.
7 parts to assemble
Improvements in the syringer case and friction adjusting mechanism and slider to limit outward motion of the piston.
6x2x1.5
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