555Timer & 741 Op Amp

Remember the 555 timer and the 741 op amp? These parts were first introduced in the 1970s. If you’re an engineer from that era or a hobbyist from this era, you may have used them in a design.

This t-shirt is comfortable, soft, lightweight, and form-fitting. It's an ideal staple piece for any wardrobe!

• 100% combed ring-spun cotton
• Heather Grey is 90% cotton, 10% polyester
• Fabric weight: 4.3 oz/yd² (145.8 g/m²)
• 32 singles
• Pre-shrunk
• Blank product sourced from Honduras, Nicaragua, Mexico, or Cambodia

This product is made especially for you as soon as you place an order, which is why it takes us a bit longer to deliver it to you. Making products on demand instead of in bulk helps reduce overproduction, so thank you for making thoughtful purchasing decisions!

Size guide