Schematic Pins and Buttons
Description: The Type VIIC/42 was designed in 1942 and 1943 to replace the aging Type VIIC. It would have had a much stronger pressure hull, with plating thickness up to 28 mm, and would have dived twice as deep as the previous VIICs. These boats would have been very similar in external appearance to the VIIC/41 but with two periscopes in the tower and would have carried two more torpedoes.
Description: Present gift ideas of blueprint style illustration of the classic American light attack aircraft A-4 Skyhawk jet airplane used by the US Navy and other worldwide air forces.
A-4 Skyhawk American Military Light Attack Jet Plane Airplane Blueprint Gift Pin
by Battlefields
$3.25
![741 Op-Amp and 555 Timer Chips - Old Friends [black text] Pin](https://images.teepublic.com/derived/production/designs/5795868_0/1567190298/i_m:bi_production_blanks_vdbwo35fw6qtflw9kezw_1565806151,c_104_227_830x)
Description: Celebrate the icons of analog design with this 555 Timer and 741 Op-Amp 'Old Friends' shirt. A perfect nostalgia gift for electronic engineers, circuit hobbyists, and synth DIYers who remember the classic days of breadboarding, Veroboard, and integrated circuit design. Ideal for any electrical engineering professional or vintage tech enthusiast. (Also available with white text for dark backgrounds.)
Description: Vintage futurism design featuring the 3I ATLAS Interstellar Visitor probe's solar mapping path for the year 2025. This speculative space diagram shows the orbits of Mercury, Venus, Earth, Mars, and Jupiter. Perfect for astronomers, space exploration fans, sci-fi enthusiasts, and lovers of retro 80s/90s computer graphic aesthetics, schematics, and planetary science.
Description: Vintage US Army tank recgonition blueprint aid design from the 1980s to help soldiers identify tanks and armored fighting vehicles both friendly and enemy on the battlefield with schematic style blueprints of the main battle tanks and other combat vehicle with statistics and description.
Description: Vintage US Army tank recognition blueprint aid design from the 1980s to help soldiers identify tanks and armored fighting vehicles both friendly and enemy on the battlefield with schematic style blueprints of the main battle tanks and other combat vehicles with statistics and description.
Description: Vintage US Army tank recognition blueprint aid design from the 1980s to help soldiers identify tanks and armored fighting vehicles both friendly and enemy on the battlefield with schematic style blueprints of the main battle tanks and other combat vehicles with statistics and description.
Description: For World War Two airplane aircraft lovers, ex veteran pilots or relatives of WW2 Junkers aircrew crews, warplane model makers and air warfare fanatics. Great idea for world war two aircraft memorabilia collectors showing a detailed cutaway infographic blueprint design of a Ju 86 redrawn in detail from an historical diagram of the period.
Description: Embrace the humor of baldness with this unique blueprint design. This funny graphic features a detailed schematic of a bald man's head, complete with mock-scientific labels like 'aerodynamic surface,' 'solar reflection zone,' 'cranial curvature index,' and 'heat dissipation panel.' It's a comical take on the 'dad who has everything except a full head of hair.' Ideal for fathers, dads, and men who appreciate a good laugh about their receding hairline or chrome dome. This design is perfect for anyone looking for a humorous way to celebrate their bald head. Show off your witty side and embrace the bald lifestyle with this clever engineering-style diagram.
Description: Vintage US Army tank recognition blueprint aid design from the 1980s to help soldiers identify tanks and armored fighting vehicles both friendly and enemy on the battlefield with schematic style blueprints of the main battle tanks and other combat vehicles with statistics and description.
