# Reamer, flat stock.  NPU collection,
# consistent with R. L. O'Mealy flat reamer from 
# Wilbert Garvin (but wider).  Prick punch marks
# and rivet holes as with "R. L. O'Mealy Reamer 4"
# aka "omealy-reamer-chanter2"
#
# meas wph 26-11-09, using ring gauge plate up to 12.7mm
# and calipers (across diagonal) above.
# LOA 533, min ~7.8, max ~16.7
#
# nominal | measured | 
#
7.0	7.04	0.5
7.2	7.16	0.7
7.3	7.30	1.3
7.5	7.60	2.4
8.0	8.05	7.9
8.5	8.52	36.6
9.0	9.00	76.6
9.5	9.57	118.3
10.0	10.04	152.9
10.5	10.65	186.2
11.0	11.05	211.9
12.7	12.69	247.1
14	14.0	371
15	15.0	416
16	16.0	479
16.7	16.7	531