Ogle’s aphemetric compass: a mystery solved
A huge thanks to Robert Pilla of the Drawing Instruments group for helping me solve the mystery of my Elliott Bros dial dividers posted back in January. His reference to…
A huge thanks to Robert Pilla of the Drawing Instruments group for helping me solve the mystery of my Elliott Bros dial dividers posted back in January. His reference to…
Occasionally I will buy something without bothering to find out what it is first, especially if the price is right. Today's post concerns a recent acquisition that falls into this…