Periscope

A cost-effective way of making a sturdy demonstration periscope

Equipment Required (to Make Demo Periscope)

• 2 pieces of plywood 45cm x 10cm and 0.9cm thick
• 2 pieces of plywood at least 37cm x 10cm and 0.9cm thick
• 2 pieces of plywood at least 11.6cm x 10cm and 0.9cm thick
• 2 pieces of woodthat are prism shaped at least 10cm x 8.5cm x 8.5cm the internal angles shoul be 90degrees and 45degres
• 2 plastic or glass mirrors 10cm x 10cm
• small screws to fit.
• Screwdriver
• Drill with suitable drill bits for the screws
• PVA Glue

Method for making the demonstration periscope

1. Get the wood cut the wood to the correct size and sanded if need be.
2. Screw the 4 long pieces together as in fig 1.
3. Screw the prism shaped pieces of wood on either end as in fig 1. and attach mirrors with glue.
4. Attach ends as in fig 1.
   

1. It should look something like this. see fig 2.