THORLABS LA1074-A Ø1/2" f = 20 mm N-BK7 Plano-Convex Lens AR Coating 350 - 700nm

THORLABS LA1289-A Ø1/2" f = 30mm AR Coating 350 - 700nm N-BK7 Plano-Convex Lens

BRAND NEW Precision Medical 1MFA Medical Air Flow Meter 0.5-15 LPM Chrome

Precision Medical 8MFA1007 Oxygen Flow Meter New in Bag

Precision Medical 1MFA Medical Air Flow Meter 0.5-15 DK

BK Precision 2522A 2 Channel Digital Storage Oscilloscope

PARTS- Beckman PHI 31 Precision Digital Display pH Meter Battery Powered 9V DC

BK Precision 2120 Oscilloscope 20MHz no probes