Sigmund worked mainly on new developments in the area of drawing instruments and precision clocks, while his brothers handled the technical, sales and management of the company.
12.
Protractors have been used to measure and draw angles and arcs of a circle accurately since about the 13th century, although mathematics and science demanded more detailed drawing instruments.
13.
His personal gallery displays rare photographs, photography equipment, sound recording equipment and accessories, drawing instrument and stationary items used in documenting the collections, International and Pakistani coins, stamps and matchboxes.
14.
A "'pair of compasses "', also known simply as a "'compass "', is a technical drawing instrument that can be used for inscribing circles or drafting, navigation, and other purposes.
15.
With a strong brand which is almost 60 years old, Camlin is into the business of selling pens, pencils, erasers, glue, engineering drawing instruments, artistic paints, fine chemicals, bulk drugs, and pharmaceuticals.
16.
The dressing plant on offer included a stone breaker and several jiggers, pulleys and belts, the contents of smiths'and carpenters'shops, telephone installations, drawing instruments, office and household furniture, and a pony and trap.
17.
It's a gift to everyone who has ever tried to use Illustrator, Freehand, Photoshop or other creativity software using a mouse, which is about as precise a drawing instrument as a bar of Zest.
18.
In addition to the calculating machine, in his career Grillet invented a hygrometer ( for which he was accused of plagiarism by another inventor ); graphometers; drawing instrument set; protractor, set square, with plumb-bob.
19.
It also included a desk with his drawing instruments, where he produced designs after living and dissected models Daucher often dissected these himself, using a basement filled with ice tubs to preserve the specimens and bodies.
20.
He was a man of quick and clear perception, of ready utterance, and a powerful disputant; he was eminently gifted in conveyancing, and in drawing instruments of writing . " Historical Collections of Gwynedd " by H . M . Jenkins ( 1897)