1.0 mile Distance-miles
Time 10 min
set speed= 6 m.p.h.
time 15 min=4 m.p.h.
time 20 min = 3 mph
time 25 min = 2.4 mph
time 30 min = 2 mph;
5 miles D
Time speed =
20 min =15 mph
25 min=12 mph
30=10 miles per hour speed.
1 hour or 60 minutes =5 mph.
1:20 min =4.3
10 miles at 1;20 time = 7.5
at 2 hr= 5 mph.
13.1 mile at 1 hr=13 mph
13.1 mile at 1:20=10mph
13.1 (1:40)=(7.8)
13.1 (2hr)=Speed6.5mph
13.1(2:20)=(5.6)
26.2 =(2)=13
26.2 (2:20)=(11.2)
26.2 (2:40)=(9.8)
26.2 (3 hr)=8.8mph
26.2 (4)=6.5
26.2 (5)=5.3
26.2 (5:20)=5.8
26.2 5:40=4.4
26.2 6=4.4
20 minutes at 1.0 miles =3 miles per hour.
10 min at 1,0 miles=6 mph
5min at 1.0 miles
Marine calculator = well starts at 10 minutes and go to14 hours
that was time.
outside circle is Distance starts at 1.0 to 99 miles or Distance-miles
inter circle to read speed
starts at ¼ to ¾ to 1 to1½ to 2 to 3 to 25...
speed set time underway at distance. read speed at arrow
distance set speed under arrow. read distance sailed at time undeway.
time set speed under arrow read time at distance.
there aboutv 4 inch circlr made of cardboard.
says Safeco
for careful skippers safeco independent insurance agent.
other side is 360° N S E W.
1 circle inner and 1 circle outter.
picture of a light house white cardboard and 2 blues. sky and royal.
and magnetic heading variation ( east to west.)
30°east 10 bar thing betwen everything both sides. not fraction for
speed.
to 30° west.
1986 perrygraf l.a. ca 91324 - 3552
printed in u.s.a.
found in trash dumpsters in two seperate towns and 2 seperate insurance
agents.
sorry all you going to get.
coffee cold. time to ride.
around average lately = is 1 can a mile = 10¢
so 10 miles = 10¢ glass/can/plastic 10¢ deposit.
if interested.
thickness about 2 fingernail and hard. not water proff.
biking together.