Ottawa Daily Photo

 Side by side, two variants of the same device. The autosal is a laboratory instrument used by oceanographers in the measurement of salinity...

I have some odds and ends from the last few weeks today. I start in late September, when I was walking away from the War Museum. A flock of ...

 Aside from being interesting in and of their own right, meteorites can give us information about the composition of our own planet. The Big...

A reminder to members of City Daily Photo that the theme for February 1st is Motors.  The Earth Gallery is the next space within the Museum ...