.1) Pair of compasses, makers mark on one arm. .2) Pen holder. .3) Rectangular container for spare parts. .4) Blue plastic pouch with transparent front panel.

.4) On base of pouch printed in white "Staedtler / Mars / 551 40WP Germany". On flap of pouch imprinted "Western Germany".

trades, drafting, containers

.1) Hand held Hewlett Packard calculator with black plastic housing. Digital readout panel across the top front face. Battery compartment on top back (cover missing). .2) Instruction book with coloured front panel illustrated with an orange disc impaled with a fork (!). Printed in Singapore.

"Hewlett Packard 33E"

trades, drafting

Drafting set in black hinge-lidded box lined in blue satin and velvet. Consists of compasses, dividers, pens and pencils - 11 pieces in total. Brass fittings.

Yellow post-it label on lid handwritten "McGibbon" Etched on dividers "W H H L D"

instruments, trades, drafting, containers

.1 to .4)Two SAA Conversion Slides supplied by Standards Association of Australia for converting imperial measurements to metric. .5) Plastic sleeve. .6) instruction leaflet.

engineering

Ten slide rules, various makers. All cased. Materials vary from cases in cardboard, vinyl, leather, plastic and slide rules in wood, plastic, metal. .23) Instruction book for E. Green's Hemmi's slide rule printed in Japan in 1934.

drafting, trades, engineering

Set of 8 steel plates for Thompsons Kelly & Lewis Castlemaine and Melbourne. .1 & .2) Used for Worthington pumps. Printed with specification categories, serial number, year of manufacture etc..

metalcraft, commerce, advertising