Venus on 1960 December 11/12 at 16:30-16:45 local time (21:30-21:45 UT) as sketched by K.R. Brasch. 8" reflector at 165x. Seeing 4-2. Transparency 4-5. Deep violet filter used (Wratten 47B). Outline of markings indefinite except for cusps.
Venus on 1960 December 10 at 13:50 local time (18:50 UT) as sketched by G. Wedge. 6" refractor at 150x. Seeing 1-2. Transparency 3. Daylight observation. Markings very indefinite, and only suspected. Southern cusp appeared to be poitned, and northern cusp more rounded.
Venus on 1960 December 3 at 13:35-13:42 local time (18:38 UT) as sketched by G. Gaherty. 6" refractor at 150x. Seeing 3. Transparency 3 (daylight). Markings very difficult. Fairly certain of cusp bands; diagonal streak less certain.