Navigators parrallel rule .

These Things are rather usefull . Particullarly in clear perspex at about 18 in long , In Conjunction with a decent pair of squares .

about 15 / 18 in long .
Ditto one of these ;

If it rolls of the edge of the table , you have to catch it with your bare foot , before it hits the concrette .
The Corner of the end wont put to big a hole it .
more likely to find in a antique shop nowadays , and dont get cheaper . Good on a flat table . A Navigators was edged. Not so good on a slopeing board .
Real Draftsmans Boards , being obsoltte and bulky , compl;ete with the drafting machine , are often givaways , while they last . As Storage Awkward .
The Antique tripe illustratededs more usefull for model Aircraft usually .
adjustable set square.

Somewhat usefull with a T Square , for parrallel angled lines . And Sometimes with a set square set on the angled leg for tangents to that .
Aincent large ( 12 in ) thick bevelled edge set squares are usefull obviously . And Compass sets . Real Ones

Wouldnt Baulk at forking out a few shekels , if you find unchildrenised ones at garage sales or school fetes .
And the ubiquitous Steel Rules . Best with matched dimns ( Imp & Metric ) either side , so the dimension goes right across . Flip Over for cheap metric alternative .

Grabed a one metre one as thought the shelf said $ 22 at the builders supplies . Next time it said $ 47 I think . Must Check the bank statement ! no loss either way .
Bludgeing aluminum angle from a window manufacturer might be free , and two metre ones could be usefull ??
Course the freight agent who ' lost ' all the stuff is a right pillock . May their cofee imbibe in their computer circuits perenially & they run out of asprin @ 2 am eternally .
