With today:
00:10 Why do ballpoints don’t come with caps but rollerballs and fountain pens do?
01:55 Should pen manufacturers make their own nibs?
08:30 Is it possible my nib has baby’s bottoms?
09:15 The intricacies of one-way shut-off valves (dry feeds, opening the valve)
This pen was kindly sent to me by Webson Gill – thank you!
Measurements
Length (capped): 144.1 mm/5. 76”
Length (uncapped): 135.8 mm/5.35”
Length (posted): N/A
Diameter (section): 8.5 – 10.3 mm/0.34 – 0.40”
Diameter (barrel): 7.5 – 13.2 mm/0.30 – 0.52”
Weight (all): 30.0 g
Weight (body): 20.5 g
Weight (cap): 9.5 g
A kind thank you to the inimitable Don Giuseppe Appelboom of the Appelboom Empire for sending me these pens.Measurements
Length (capped): 138.3.8 mm/5.45”
Length (uncapped): 127.1 mm/5.00”
Length (posted): 165.3 mm/6.51”
Diameter (section): 9.8 – 13.3 mm/0.39 – 0.52”
Diameter (barrel): 15.0 mm/ 0.59” (uniform)
Weight (all): 15.5 g
Weight (body): 9.5 g
Weight (cap): 6.0 g
This pen was kindly sent to me by Carlos of Ensso Pens – thank you!
Measurements
Length (capped): 92.8 mm/3.65”
Length (uncapped): 88.7 mm/3.49”
Length (posted): 138.5 mm/5.45”
Diameter (section): 10.6 – 12.5 mm/0.42 – 0.49”
Diameter (barrel): 15.0 mm/ 0.59” (uniform)
Weight (all): 38.0 g
Weight (cap): 26.0 g
Weight (body): 12.0 g
These pens were sent to me by Anja of Papier und Stift – thank you!
Measurements
Length (capped): 134.6 mm/5.30”
Length (uncapped): 116.7 mm/4.60”
Length (posted): N/A
Diameter (section): 7.9 – 10.6 mm/0.31 – 0.42”
Diameter (barrel): 9.7 – 10.6 mm/0.38 – 0.42”
Weight (all): 40.0 g
Weight (cap): 30.0 g
Weight (body): 10.0 g
This pen was kindly sent to me by Tianzi – thank you!
Measurements
Length (capped): 146.3 mm/5.76”
Length (uncapped): 129.7 mm/5.11”
Length (posted): 175.2 mm/6.89”
Diameter (section): 10.0 – 11.6 mm/0.40 – 0.46”
Diameter (barrel): 10.9 – 13.0 mm/0.43 – 0.51”
Weight (all): 28.0 g
Weight (cap): 17.5 g
Weight (body): 10.5 g
This pen was kindly sent to me by Piguet Suisse – thank you!
Measurements
Length (capped): 144.9 mm/5.71”
Length (uncapped): 129.0 mm/5.08”
Length (posted): N/A
Diameter (section): 10.2 – 11.4 mm/0.40 – 0.45”
Diameter (barrel): 12.0 – 15.0 mm/0.47 – 0.59”
Weight (all): 40.0 g
Weight (cap): 26.0 g
Weight (body): 14.0 g
This pen was kindly sent to me by Endless Pens – thank you!
Measurements
Length (capped): 139.6 mm/5.50”
Length (uncapped): 129.2 mm/5.09”
Length (posted): 165.6 mm/6.52”
Diameter (section): 10.4 – 12.1 mm/0.41 – 0.48”
Diameter (barrel): 10.0 – 12.4 mm/0.39 – 0.49”
Weight (all): 17.5 g
Weight (cap): 11.0 g
Weight (body): 6.5 g
This pen was kindly sent to me by Endless Pens – thank you!
Measurements
Length (capped): 125.5 mm/4.94”
Length (uncapped): 121.6 mm/4.79”
Length (posted): 149.3 mm/5.88”
Diameter (section): 9.3 – 10.0 mm/0.37 – 0.40”
Diameter (barrel): 9.6 – 11.8 mm/0.38 – 0.46”
Weight (all): 15.0 g
Weight (cap): 10.0 g
Weight (body): 5.0 g
This pen was sent to me by Greg of Bluestem Pens – thank you!
Measurements
Length (capped): 142.0 mm/5.59”
Length (uncapped): 127.8 mm/5.03”
Length (posted): 159.6/6.28”
Diameter (section): 9.0 mm/0.35” (uniform)
Diameter (barrel): 9.0 – 12.9 mm/0.35” – 0.51”
Weight (all): 46.0 g
Weight (cap): 30.5 g
Weight (body): 15.5 g
